Let’s get started . . .
Terms to Know
Genes & Dominance
PrinciplesGive it a
TwirlYou KNOW
it!Dip in the MIX
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Final Jeopardy
Research Methods
Final Jeopardy
3 basic methods used by ecologists to study the
living world
What are observing, experimenting, and modeling?
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What is genetics?
Scientific study of heredity.
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What is true-breeding?
Same as self-pollination.
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What are genes?
Chemical factors that determine traits.
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What are alleles?
Term for different forms of genes.
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What are phenotype & genotype?
Two terms: 1st term represents your
physical characteristics. 2nd
term represents your genetic makeup.
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What is dominant?
Traits that can be seen are considered to be
this.
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What is recessive?
Traits that are hidden until 2 come together.
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What is homozygous?
These two genotypes TT & tt are considered this.
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What is with a capital letter and lowercase
letter; Tt?Only one way to
represent a heterozygous genotype.
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What is hybrid?
Offspring crosses between parents with different traits.
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Who is Gregor Mendel?
He developed many principles of genetics over the course of his
research.
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What is the Principle of Dominance?
Some alleles are dominant and other alleles are recessive.
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What is the Principle of Heredity?
Traits are passed from one generation
to the next.
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What is probability?
The likelihood that a specific event will
occur.
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What is the Principle of Independent Assortment?
Genes for different traits are passed
independently of one another.
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What are all organisms?
Mendel’s principles of genetics apply to
which of the following: plants only,
animals only, or all organisms.
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What is a permanent change in the DNA
sequence of a gene?
A mutation is this.
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What are UV rays, asbestos, tars from
tobacco?
These are 2 example of mutagens.
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What are hybrid and heterozygous?
2 terms that are the opposite of
homozygous
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What is the P generation?
The plants Mendel crossed to produce the F1 generation made up
this generation.
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What is B=big eyes, b=small eyes?
Big eyes are dominant to small…this letter is used to represent big eyes and this letter is
used to represent small eyes
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What are LL, Ll, & ll?
In Martian’s, large heads are dominant to small.
These are all of the possible genotypes a
Martian could be.
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What is Large ears?
In Martian’s, small ears are recessive to large ears. What is the phenotype for a Martian who is LL
$800What are BB or Bb?
Knowing that blue eyes are recessive,
these are the possible genotypes for a
person w/brown eyes
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What pure-breeding and self-fertilized/pure-bred?
These are two synonyms for homozygous.
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What is homozygous?
Organisms that have 2 identical alleles for a particular trait are
said to be this.
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What are the genotypes of the
offspring?A Punnett square is
only able to show you these.
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What are two combinations; RY &
rY?This many different allele combinations
can be produced from a genotype of RrYY.
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What is incomplete dominance?
Situation in which one allele for a gene is NOT completely dominant
over another allele for that gene.
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What is codominance?
Crossing a black chicken BB, with a white chicken WW produces speckled offspring demonstrates
this.
