Genetics Unit Review

Who is the Father of Modern Genetics?

______ are what combination of alleles an individual has

_____ is what the individual actually looks like

The recessive allele can only be expressed if there is no dominant allele present. (Homozygous recessive is the only way to express the recessive trait). Which law of genetics affirms this statement.

Chromosomes separate randomly and equally. This fulfills which law of genetics

Inheriting one allele has nothing to do (no effect) on the inheritance of another allele. Which law of genetics fulfills this statement.

T/F. Homologous Chromosomes are pairs of the same chromosome, one originating from mom and the other from dad.

Having a widow's peak is dominant to not having a widow's peak. If a person with no widow's peak has a child with a Heterozygous individual for having a widow's peak, what is the probability of having a child with a widow's peak?

Give your answer as a percentage

(a)  

In Sheep, black fur is a recessive trait. What genotype will encode for the phenotype of black fur?

the letter B/b is used to represent fur color.

In Labrador Retrievers, black is the dominant coat color over yellow coats. If a back lab and a yellow lab had puppies and 50% of the offspring born were yellow, what was the black lab's genotype?