Genetics Challenge
Grade 9 & 12 GeneticsMrs. S. Pipke-Painchaud
&Mr. H. Weber
What is term called for the passing of the traits from parent to offspring?
_________________ (1)
What is the area of science called that studies the passing of characteristics from parent to offspring?
_________________ (1) Who is considered the Father of Genetics?
_________________ (1)
What does DNA stand for?
____________________________(1)
What is the structure of DNA?
___________________________ (1)
Who discovered the structure of DNA?
___________________________ (1)
How many chromosomes do humans possess? (2n – diploid)
_____________________ (1)
Where are the chromosomes found within the cell?
_____________________ (1)
What specific part of that organelle are they located in?
______________________(1)
In the sex chromosomes, XX codes for
____________________. (1)
In the sex chromosomes, XY codes for
____________________.(1)
Who (mother or father) determines the sex of the child?
_____________________(1)
What is the name of the gamete the female produces?
___________________________ (1) What is the name of the gamete the male produces?
___________________________ (1) When the female and male gamete combine, what do
they form? (the name for the single cell)
___________________________ (1)
The term used to describe two identical alleles for a particular trait?
_________________ (1)
The term used to describe two different alleles for a particular trait?
_________________ (1) If you were a carrier of a genetic disorder, which
of the two types listed would you need to possess?
_________________ (1)
If you saw a genotype Gg, how would you describe those alleles? ________________(1)
If you saw a genotype tt, how would you describe those alleles?
________________(1) If you saw a genotype RR, how would you
describe those alleles?________________(1)
How many base chemicals (nitrogen bases) are in DNA?
______________________ (1)
List the names of the base chemicals in DNA and how they pair together.
___________ & __________ (1)
___________ & ___________ (1)
What plant did Gregor Mendel work with?
____________________(1)
What is the scientific name for this plant?
____________________(1)
How many chromosomes does this species of plant possess?
____________________(1)
Bunnies have straight ears or floppy ears. Straight ears are dominant (EE or Ee) and floppy ears are recessive (ee). If a straight eared (Ee) bunny is crossed with a floppy eared bunny (ee).
Space for your calculations…
What percentage of the offspring will have straight ears?_________________________(1)
What percentage of the offspring will have floppy ears?_________________________(1)
What percentage are heterozygous straight eared?_________________________(1)
In Martians, green skin color is dominant over white. What would the phenotypic ratio be if you crossed a homozygous green skinned Martian with a heterozygous green skinned Martian?
i) What is the legend for this question?(1)
ii) What are the genotypes of the parents?(1)
__________ X ___________
iii) What is the phenotypic ratio? (1)
This process creates exact copies of cells. This process is called _________________ (1)
If you started with 1 cell with 46 chromosomes, you would end up with ______ cells with _____ chromosomes in each. (1)
What organism in Kingdom Animalia has 46 chromosomes?________ (1)
What process produces gametes?____________________ (1)
In humans, what two types of gamete cells are produced from this process?__________________ & _______________ (1)
How many chromosomes would each of these cells have? (Humans)
________________________ (1)
Define following words:Diploid (1)
Haploid (1)
If a Martian has 150 chromosomes, how many would its gametes have?
_______________ (1)
In the Lion King movie, Timon is an example of what type of animal?
________________(1)
What is Timon’s diploid number of chromosomes?
_________(1) What type of animal is
Pumba? ______________(1)
In Martians, large feet are dominant over small feet. What phenotypic ratio would result from a cross of a Martian with small feet and a Martian who is heterozygous for large feet?
Include your Key:
What are the genotypes of the parents? (1)
________ X ________
Phenotypic ratio:
__________________________________________________ (1)
What is the chance (probability) of having a Martian with small feet? (write the fraction)
____________________(1)
What genetic disorder results from 3 chromosomes at the 21st spot?
____________________ (1)
What disorder causes normal red blood cells to take on a half moon shape and unable to use hemoglobin correctly?
____________________ (1)
What does hemoglobin transport to the cells of the body?____________________
(1)
What genetic disorder would you have if you could not see the numbers in the image to the right? (enlarged images on the following slide)
____________________________(1)
What is the genetic disorder where the person’s blood does not clot properly?
____________________________(1)
What is the genetic disorder that produces thick sticky mucous in the lungs and digestive system?
____________________________(1)
Enlarged image for #18
References:
Chromosome #s: http://en.wikipedia.org/wiki/List_of_organisms_by_chromosome_count