Genetics Review Biology

Which of the following is an example of a heterozygous genotype?

• AA

• Aa

• aa

What do the alleles show in the picture?

• Codominance

• Dominance

• Incomplete dominance

If a pink flower is crossed with a pink flower, what percent of their offspring are expected to be pink-flowered?

• 25%

• 75%

• 50%

Tags

NGSS.HS-LS3-1

When constructing a pedigree, what does a circle represent?

• female

• male

How many generations are in the pedigree?

• 1

• 2

• 3

Dominant alleles are represented by a:

• Male gene

• lowercase letter

• recessive trait

• capital letter

Aa, DD, bB, yy are all examples of

• genotypes

• phenotypes

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

• recessive

• dominant

• lower case letter

• both 

Which of the following genotypes is homozygous dominant?

• A

• Aa

• AA

• aa

Which of the following genotypes is heterozygous?

• Bb

• BB

• bb

• B