Genetics Test Review Part 2 Question Preview (ID: 34205)


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Which of the following is influenced by polygenic inheritance?
a) sickle cell anemia
b) hair color
c) blood type
d) Tay-Sachs disease

Which of the following is an example of codominance?
a) many different flower colors in plants
b) two traits of a character expressed at the same time
c) an intermediate or blended flower color in a plant.
d)

Colorblindness
a) is a Y linked trait
b) is seen in homozygous dominant individuals
c) provides resistance to infections
d) is a sex linked trait

Black fur is dominant to brown fur in rabbits. White and gray fur exhibit incomplete dominance. How can you find the genotype of a rabbit with black fur?
a) mate the black rabbit with a white rabbit
b) mate the black rabbit with another black rabbit
c) mate the black rabbit with a gray rabbit
d) mate the black rabbit with a brown rabbit

An organism with the genotype Aa would be considered...
a) homozygous recessive
b) homozygous dominant
c) heterozygous
d)

An organism with a genotype of aa would be considered...
a) homozygous dominant
b) homozygous recessive
c) heterozygous
d)

An organism with the genotype AA would be considered...
a) homozygous dominant
b) homozygous recessive
c) heterozygous
d)

Which of the following would be an example of heterozygous?
a) AA
b) YY
c) tt
d) Aa

Which of the following would be considered homozygous recessive?
a) AA
b) YY
c) tt
d) Aa

Which of the following would be considered homozygous dominant?
a) AA
b) YY
c) tt
d) Both a and b

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