Genetics Practice

Front

A condition in which both alleles for a gene are expressed so that both traits are visible is known as ---

Back

Codominance

Front

Aa, DD, Ba, and yy are all examples of ---

Back

Genotypes

Front

In a heterozygous genotype, the ___________ allele takes over in the phenotype.

Back

Dominant

Front

Which of the following genotypes is homozygous dominant?

Back

AA

Front

Brown eyes are dominant over blue eyes. What is the probability that the offspring will have brown eyes in this cross?

Back

50%

Front

What is the term for the physical expression of a genotype?

Back

Phenotype

Front

What do we call the different forms of a gene?

Back

Alleles

Front

If an organism has two identical alleles for a trait, it is said to be ---

Back

Homozygous

Front

If an organism has two different alleles for a trait, it is said to be ---

Back

Heterozygous

Front

What is the expected phenotypic ratio in a monohybrid cross?

Back

3:1