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2.5.9 Genetic Engineering2.5.10.H Origin of the Science of Genetics
2.5.11.H Law of Segregation2.5.12.H Law of Independent Assortment
2.5.13.H Dihybrid Cross2.5.14.H Nucleic Acid Structure and
Function
Follow-Me – iQuiz
Q. What is the difference between a nucleus of an egg cell and that of a somatic (body) cell of an animal?
“antifreeze” in farmed fish; Pharmaceuticals from
transgenic animals
Egg cell is haploid; Somatic cell is diploid
Haemophilia; Colour blindness
Guanine
Genetic engineering
Linked
Law of Independent Assortment
Lack of variation; Prone to disease
Hydrogen
Manipulation of genes
Production of hormones, enzymes or interferon
Same wool quality
Segregation
Slow ripening tomatoes; Herbicide resistant plants;
Freeze-resistant plants
Locating/removing of a gene or a plasmid
Transmitted on the same chromosome
The joining of DNA or plasmid or gene
The activation of the inserted gene; Production of product
The uptake of DNA or plasmid or gene
Adenine
Mitochondrion; Chloroplast
Cutting the DNA with a restriction enzyme
Purines; Pyrimidines
Gene on sex (or X or Y) chromosome
Q. Suggest an advantage of producing genetically identical animals.
“antifreeze” in farmed fish; Pharmaceuticals from
transgenic animals
Egg cell is haploid; Somatic cell is diploid
Haemophilia; Colour blindness
Guanine
Genetic engineering
Linked
Law of Independent Assortment
Lack of variation; Prone to disease
Hydrogen
Manipulation of genes
Production of hormones, enzymes or interferon
Same wool quality
Segregation
Slow ripening tomatoes; Herbicide resistant plants;
Freeze-resistant plants
Locating/removing of a gene or a plasmid
Transmitted on the same chromosome
The joining of DNA or plasmid or gene
The activation of the inserted gene; Production of product
The uptake of DNA or plasmid or gene
Adenine
Mitochondrion; Chloroplast
Cutting the DNA with a restriction enzyme
Purines; Pyrimidines
Gene on sex (or X or Y) chromosome
Q. What is meant by genetic engineering?
“antifreeze” in farmed fish; Pharmaceuticals from
transgenic animals
Egg cell is haploid; Somatic cell is diploid
Haemophilia; Colour blindness
Guanine
Genetic engineering
Linked
Law of Independent Assortment
Lack of variation; Prone to disease
Hydrogen
Manipulation of genes
Production of hormones, enzymes or interferon
Same wool quality
Segregation
Slow ripening tomatoes; Herbicide resistant plants;
Freeze-resistant plants
Locating/removing of a gene or a plasmid
Transmitted on the same chromosome
The joining of DNA or plasmid or gene
The activation of the inserted gene; Production of product
The uptake of DNA or plasmid or gene
Adenine
Mitochondrion; Chloroplast
Cutting the DNA with a restriction enzyme
Purines; Pyrimidines
Gene on sex (or X or Y) chromosome
Q. State an application of genetic engineering involving a micro-organism.
“antifreeze” in farmed fish; Pharmaceuticals from
transgenic animals
Egg cell is haploid; Somatic cell is diploid
Haemophilia; Colour blindness
Guanine
Genetic engineering
Linked
Law of Independent Assortment
Lack of variation; Prone to disease
Hydrogen
Manipulation of genes
Production of hormones, enzymes or interferon
Same wool quality
Segregation
Slow ripening tomatoes; Herbicide resistant plants;
Freeze-resistant plants
Locating/removing of a gene or a plasmid
Transmitted on the same chromosome
The joining of DNA or plasmid or gene
The activation of the inserted gene; Production of product
The uptake of DNA or plasmid or gene
Adenine
Mitochondrion; Chloroplast
Cutting the DNA with a restriction enzyme
Purines; Pyrimidines
Gene on sex (or X or Y) chromosome
Q. Isolation, cutting (or restriction), transformation (or ligation), introduction of base sequence (changes) and expression are all
processes involved in …“antifreeze” in farmed fish;
Pharmaceuticals from transgenic animals
Egg cell is haploid; Somatic cell is diploid
Haemophilia; Colour blindness
Guanine
Genetic engineering
Linked
Law of Independent Assortment
Lack of variation; Prone to disease
Hydrogen
Manipulation of genes
Production of hormones, enzymes or interferon
Same wool quality
Segregation
Slow ripening tomatoes; Herbicide resistant plants;
Freeze-resistant plants
Locating/removing of a gene or a plasmid
Transmitted on the same chromosome
The joining of DNA or plasmid or gene
The activation of the inserted gene; Production of product
The uptake of DNA or plasmid or gene
Adenine
Mitochondrion; Chloroplast
Cutting the DNA with a restriction enzyme
Purines; Pyrimidines
Gene on sex (or X or Y) chromosome
Q. Separation of a pair of allelic genes during meiosis resulting in each gamete having only one of the pair of genes is known as …“antifreeze” in farmed fish;
Pharmaceuticals from transgenic animals
Egg cell is haploid; Somatic cell is diploid
Haemophilia; Colour blindness
Guanine
Genetic engineering
Linked
Law of Independent Assortment
Lack of variation; Prone to disease
Hydrogen
Manipulation of genes
Production of hormones, enzymes or interferon
Same wool quality
Segregation
Slow ripening tomatoes; Herbicide resistant plants;
Freeze-resistant plants
Locating/removing of a gene or a plasmid
Transmitted on the same chromosome
The joining of DNA or plasmid or gene
The activation of the inserted gene; Production of product
The uptake of DNA or plasmid or gene
Adenine
Mitochondrion; Chloroplast
Cutting the DNA with a restriction enzyme
Purines; Pyrimidines
Gene on sex (or X or Y) chromosome
Q. Explain why linked genes do not assort independently.
“antifreeze” in farmed fish; Pharmaceuticals from
transgenic animals
Egg cell is haploid; Somatic cell is diploid
Haemophilia; Colour blindness
Guanine
Genetic engineering
Linked
Law of Independent Assortment
Lack of variation; Prone to disease
Hydrogen
Manipulation of genes
Production of hormones, enzymes or interferon
Same wool quality
Segregation
Slow ripening tomatoes; Herbicide resistant plants;
Freeze-resistant plants
Locating/removing of a gene or a plasmid
Transmitted on the same chromosome
The joining of DNA or plasmid or gene
The activation of the inserted gene; Production of product
The uptake of DNA or plasmid or gene
Adenine
Mitochondrion; Chloroplast
Cutting the DNA with a restriction enzyme
Purines; Pyrimidines
Gene on sex (or X or Y) chromosome
Q. Suggest a disadvantage of producing genetically identical animals.
“antifreeze” in farmed fish; Pharmaceuticals from
transgenic animals
Egg cell is haploid; Somatic cell is diploid
Haemophilia; Colour blindness
Guanine
Genetic engineering
Linked
Law of Independent Assortment
Lack of variation; Prone to disease
Hydrogen
Manipulation of genes
Production of hormones, enzymes or interferon
Same wool quality
Segregation
Slow ripening tomatoes; Herbicide resistant plants;
Freeze-resistant plants
Locating/removing of a gene or a plasmid
Transmitted on the same chromosome
The joining of DNA or plasmid or gene
The activation of the inserted gene; Production of product
The uptake of DNA or plasmid or gene
Adenine
Mitochondrion; Chloroplast
Cutting the DNA with a restriction enzyme
Purines; Pyrimidines
Gene on sex (or X or Y) chromosome
Q. During gamete formation each member of a pair of genes may combine randomly with either of another pair. This is
known as …“antifreeze” in farmed fish;
Pharmaceuticals from transgenic animals
Egg cell is haploid; Somatic cell is diploid
Haemophilia; Colour blindness
Guanine
Genetic engineering
Linked
Law of Independent Assortment
Lack of variation; Prone to disease
Hydrogen
Manipulation of genes
Production of hormones, enzymes or interferon
Same wool quality
Segregation
Slow ripening tomatoes; Herbicide resistant plants;
Freeze-resistant plants
Locating/removing of a gene or a plasmid
Transmitted on the same chromosome
The joining of DNA or plasmid or gene
The activation of the inserted gene; Production of product
The uptake of DNA or plasmid or gene
Adenine
Mitochondrion; Chloroplast
Cutting the DNA with a restriction enzyme
Purines; Pyrimidines
Gene on sex (or X or Y) chromosome
Q. Name the two types of nitrogenous base found in DNA.
“antifreeze” in farmed fish; Pharmaceuticals from
transgenic animals
Egg cell is haploid; Somatic cell is diploid
Haemophilia; Colour blindness
Guanine
Genetic engineering
Linked
Law of Independent Assortment
Lack of variation; Prone to disease
Hydrogen
Manipulation of genes
Production of hormones, enzymes or interferon
Same wool quality
Segregation
Slow ripening tomatoes; Herbicide resistant plants;
Freeze-resistant plants
Locating/removing of a gene or a plasmid
Transmitted on the same chromosome
The joining of DNA or plasmid or gene
The activation of the inserted gene; Production of product
The uptake of DNA or plasmid or gene
Adenine
Mitochondrion; Chloroplast
Cutting the DNA with a restriction enzyme
Purines; Pyrimidines
Gene on sex (or X or Y) chromosome
Q. Explain the term transformation in the context of genetic engineering.
“antifreeze” in farmed fish; Pharmaceuticals from
transgenic animals
Egg cell is haploid; Somatic cell is diploid
Haemophilia; Colour blindness
Guanine
Genetic engineering
Linked
Law of Independent Assortment
Lack of variation; Prone to disease
Hydrogen
Manipulation of genes
Production of hormones, enzymes or interferon
Same wool quality
Segregation
Slow ripening tomatoes; Herbicide resistant plants;
Freeze-resistant plants
Locating/removing of a gene or a plasmid
Transmitted on the same chromosome
The joining of DNA or plasmid or gene
The activation of the inserted gene; Production of product
The uptake of DNA or plasmid or gene
Adenine
Mitochondrion; Chloroplast
Cutting the DNA with a restriction enzyme
Purines; Pyrimidines
Gene on sex (or X or Y) chromosome
Q. Explain the term isolation in the context of genetic engineering.
“antifreeze” in farmed fish; Pharmaceuticals from
transgenic animals
Egg cell is haploid; Somatic cell is diploid
Haemophilia; Colour blindness
Guanine
Genetic engineering
Linked
Law of Independent Assortment
Lack of variation; Prone to disease
Hydrogen
Manipulation of genes
Production of hormones, enzymes or interferon
Same wool quality
Segregation
Slow ripening tomatoes; Herbicide resistant plants;
Freeze-resistant plants
Locating/removing of a gene or a plasmid
Transmitted on the same chromosome
The joining of DNA or plasmid or gene
The activation of the inserted gene; Production of product
The uptake of DNA or plasmid or gene
Adenine
Mitochondrion; Chloroplast
Cutting the DNA with a restriction enzyme
Purines; Pyrimidines
Gene on sex (or X or Y) chromosome
Q. In genetics, what is meant by sex linkage?
“antifreeze” in farmed fish; Pharmaceuticals from
transgenic animals
Egg cell is haploid; Somatic cell is diploid
Haemophilia; Colour blindness
Guanine
Genetic engineering
Linked
Law of Independent Assortment
Lack of variation; Prone to disease
Hydrogen
Manipulation of genes
Production of hormones, enzymes or interferon
Same wool quality
Segregation
Slow ripening tomatoes; Herbicide resistant plants;
Freeze-resistant plants
Locating/removing of a gene or a plasmid
Transmitted on the same chromosome
The joining of DNA or plasmid or gene
The activation of the inserted gene; Production of product
The uptake of DNA or plasmid or gene
Adenine
Mitochondrion; Chloroplast
Cutting the DNA with a restriction enzyme
Purines; Pyrimidines
Gene on sex (or X or Y) chromosome
Q. What term is used to describe alleles that lie on the same chromosome?
“antifreeze” in farmed fish; Pharmaceuticals from
transgenic animals
Egg cell is haploid; Somatic cell is diploid
Haemophilia; Colour blindness
Guanine
Genetic engineering
Linked
Law of Independent Assortment
Lack of variation; Prone to disease
Hydrogen
Manipulation of genes
Production of hormones, enzymes or interferon
Same wool quality
Segregation
Slow ripening tomatoes; Herbicide resistant plants;
Freeze-resistant plants
Locating/removing of a gene or a plasmid
Transmitted on the same chromosome
The joining of DNA or plasmid or gene
The activation of the inserted gene; Production of product
The uptake of DNA or plasmid or gene
Adenine
Mitochondrion; Chloroplast
Cutting the DNA with a restriction enzyme
Purines; Pyrimidines
Gene on sex (or X or Y) chromosome
Q. State an application of genetic engineering involving a plant.
“antifreeze” in farmed fish; Pharmaceuticals from
transgenic animals
Egg cell is haploid; Somatic cell is diploid
Haemophilia; Colour blindness
Guanine
Genetic engineering
Linked
Law of Independent Assortment
Lack of variation; Prone to disease
Hydrogen
Manipulation of genes
Production of hormones, enzymes or interferon
Same wool quality
Segregation
Slow ripening tomatoes; Herbicide resistant plants;
Freeze-resistant plants
Locating/removing of a gene or a plasmid
Transmitted on the same chromosome
The joining of DNA or plasmid or gene
The activation of the inserted gene; Production of product
The uptake of DNA or plasmid or gene
Adenine
Mitochondrion; Chloroplast
Cutting the DNA with a restriction enzyme
Purines; Pyrimidines
Gene on sex (or X or Y) chromosome
Q. Explain the term ligation in the context of genetic engineering.
“antifreeze” in farmed fish; Pharmaceuticals from
transgenic animals
Egg cell is haploid; Somatic cell is diploid
Haemophilia; Colour blindness
Guanine
Genetic engineering
Linked
Law of Independent Assortment
Lack of variation; Prone to disease
Hydrogen
Manipulation of genes
Production of hormones, enzymes or interferon
Same wool quality
Segregation
Slow ripening tomatoes; Herbicide resistant plants;
Freeze-resistant plants
Locating/removing of a gene or a plasmid
Transmitted on the same chromosome
The joining of DNA or plasmid or gene
The activation of the inserted gene; Production of product
The uptake of DNA or plasmid or gene
Adenine
Mitochondrion; Chloroplast
Cutting the DNA with a restriction enzyme
Purines; Pyrimidines
Gene on sex (or X or Y) chromosome
Q. Name a condition in humans that is governed by a sex-linked allele.
“antifreeze” in farmed fish; Pharmaceuticals from
transgenic animals
Egg cell is haploid; Somatic cell is diploid
Haemophilia; Colour blindness
Guanine
Genetic engineering
Linked
Law of Independent Assortment
Lack of variation; Prone to disease
Hydrogen
Manipulation of genes
Production of hormones, enzymes or interferon
Same wool quality
Segregation
Slow ripening tomatoes; Herbicide resistant plants;
Freeze-resistant plants
Locating/removing of a gene or a plasmid
Transmitted on the same chromosome
The joining of DNA or plasmid or gene
The activation of the inserted gene; Production of product
The uptake of DNA or plasmid or gene
Adenine
Mitochondrion; Chloroplast
Cutting the DNA with a restriction enzyme
Purines; Pyrimidines
Gene on sex (or X or Y) chromosome
Q. Which nitrogenous base can link only to thymine?
“antifreeze” in farmed fish; Pharmaceuticals from
transgenic animals
Egg cell is haploid; Somatic cell is diploid
Haemophilia; Colour blindness
Guanine
Genetic engineering
Linked
Law of Independent Assortment
Lack of variation; Prone to disease
Hydrogen
Manipulation of genes
Production of hormones, enzymes or interferon
Same wool quality
Segregation
Slow ripening tomatoes; Herbicide resistant plants;
Freeze-resistant plants
Locating/removing of a gene or a plasmid
Transmitted on the same chromosome
The joining of DNA or plasmid or gene
The activation of the inserted gene; Production of product
The uptake of DNA or plasmid or gene
Adenine
Mitochondrion; Chloroplast
Cutting the DNA with a restriction enzyme
Purines; Pyrimidines
Gene on sex (or X or Y) chromosome
Q. Explain the term expression in the context of genetic engineering.
“antifreeze” in farmed fish; Pharmaceuticals from
transgenic animals
Egg cell is haploid; Somatic cell is diploid
Haemophilia; Colour blindness
Guanine
Genetic engineering
Linked
Law of Independent Assortment
Lack of variation; Prone to disease
Hydrogen
Manipulation of genes
Production of hormones, enzymes or interferon
Same wool quality
Segregation
Slow ripening tomatoes; Herbicide resistant plants;
Freeze-resistant plants
Locating/removing of a gene or a plasmid
Transmitted on the same chromosome
The joining of DNA or plasmid or gene
The activation of the inserted gene; Production of product
The uptake of DNA or plasmid or gene
Adenine
Mitochondrion; Chloroplast
Cutting the DNA with a restriction enzyme
Purines; Pyrimidines
Gene on sex (or X or Y) chromosome
Q. State an application of genetic engineering involving an animal.
“antifreeze” in farmed fish; Pharmaceuticals from
transgenic animals
Egg cell is haploid; Somatic cell is diploid
Haemophilia; Colour blindness
Guanine
Genetic engineering
Linked
Law of Independent Assortment
Lack of variation; Prone to disease
Hydrogen
Manipulation of genes
Production of hormones, enzymes or interferon
Same wool quality
Segregation
Slow ripening tomatoes; Herbicide resistant plants;
Freeze-resistant plants
Locating/removing of a gene or a plasmid
Transmitted on the same chromosome
The joining of DNA or plasmid or gene
The activation of the inserted gene; Production of product
The uptake of DNA or plasmid or gene
Adenine
Mitochondrion; Chloroplast
Cutting the DNA with a restriction enzyme
Purines; Pyrimidines
Gene on sex (or X or Y) chromosome
Q. Which nitrogenous base can link only to cytosine?
“antifreeze” in farmed fish; Pharmaceuticals from
transgenic animals
Egg cell is haploid; Somatic cell is diploid
Haemophilia; Colour blindness
Guanine
Genetic engineering
Linked
Law of Independent Assortment
Lack of variation; Prone to disease
Hydrogen
Manipulation of genes
Production of hormones, enzymes or interferon
Same wool quality
Segregation
Slow ripening tomatoes; Herbicide resistant plants;
Freeze-resistant plants
Locating/removing of a gene or a plasmid
Transmitted on the same chromosome
The joining of DNA or plasmid or gene
The activation of the inserted gene; Production of product
The uptake of DNA or plasmid or gene
Adenine
Mitochondrion; Chloroplast
Cutting the DNA with a restriction enzyme
Purines; Pyrimidines
Gene on sex (or X or Y) chromosome
Q. Explain the term restriction (cutting) in the context of genetic engineering.
“antifreeze” in farmed fish; Pharmaceuticals from
transgenic animals
Egg cell is haploid; Somatic cell is diploid
Haemophilia; Colour blindness
Guanine
Genetic engineering
Linked
Law of Independent Assortment
Lack of variation; Prone to disease
Hydrogen
Manipulation of genes
Production of hormones, enzymes or interferon
Same wool quality
Segregation
Slow ripening tomatoes; Herbicide resistant plants;
Freeze-resistant plants
Locating/removing of a gene or a plasmid
Transmitted on the same chromosome
The joining of DNA or plasmid or gene
The activation of the inserted gene; Production of product
The uptake of DNA or plasmid or gene
Adenine
Mitochondrion; Chloroplast
Cutting the DNA with a restriction enzyme
Purines; Pyrimidines
Gene on sex (or X or Y) chromosome
Q. Name the type of bonding which occurs between members of a base pair in the DNA molecule.
“antifreeze” in farmed fish; Pharmaceuticals from
transgenic animals
Egg cell is haploid; Somatic cell is diploid
Haemophilia; Colour blindness
Guanine
Genetic engineering
Linked
Law of Independent Assortment
Lack of variation; Prone to disease
Hydrogen
Manipulation of genes
Production of hormones, enzymes or interferon
Same wool quality
Segregation
Slow ripening tomatoes; Herbicide resistant plants;
Freeze-resistant plants
Locating/removing of a gene or a plasmid
Transmitted on the same chromosome
The joining of DNA or plasmid or gene
The activation of the inserted gene; Production of product
The uptake of DNA or plasmid or gene
Adenine
Mitochondrion; Chloroplast
Cutting the DNA with a restriction enzyme
Purines; Pyrimidines
Gene on sex (or X or Y) chromosome
Q. Name a cell organelle, apart from the nucleus, in which DNA is found.
“antifreeze” in farmed fish; Pharmaceuticals from
transgenic animals
Egg cell is haploid; Somatic cell is diploid
Haemophilia; Colour blindness
Guanine
Genetic engineering
Linked
Law of Independent Assortment
Lack of variation; Prone to disease
Hydrogen
Manipulation of genes
Production of hormones, enzymes or interferon
Same wool quality
Segregation
Slow ripening tomatoes; Herbicide resistant plants;
Freeze-resistant plants
Locating/removing of a gene or a plasmid
Transmitted on the same chromosome
The joining of DNA or plasmid or gene
The activation of the inserted gene; Production of product
The uptake of DNA or plasmid or gene
Adenine
Mitochondrion; Chloroplast
Cutting the DNA with a restriction enzyme
Purines; Pyrimidines
Gene on sex (or X or Y) chromosome