Phenotype Genotype

Which of the following genotypes is homozygous recessive?

• Tt

• tt

• TT

• t

Two brown eyed parents with the genotype Bb have a baby. What is the chance the baby has blue eyes?

• 0 %

• 25%

• 50%

• 75%

Tags

NGSS.MS-LS3-2

Which of the following is a phenotype?

• Aa

• red hair

• heterozygous

• DNA

Tags

NGSS.MS-LS4-4

What is the dominant trait?

• yellow pea seeds

• green pea seeds

• there is no dominant seed

• both yellow and green are dominant

Tags

NGSS.MS-LS3-2

Which statement best supports why many offspring look similar to their parents?

• Offspring inherit characteristics from one parent.

• Offspring inherit characteristics from both parents.

• Parents choose which characteristics to pass on to their offspring.

• Parents choose to change their appearance to match that of their offspring.

Tags

NGSS.MS-LS3-2

If the dominant trait is having freckles (F) and the recessive trait is no freckles (f), which allele combination(s) below would represent a person who has freckles? (select all that apply)

• FF

• Ff

• ff

Look at the punnett square. What is the probability that the offspring would have a homozygous genotype?

• 100%

• 75%

• 50%

• 25%

• 0%

Tags

NGSS.HS-LS3-1

Hair is dominant to no hair. A guinea pig who is hairless will have which genotype?

• HH

• Hh

• hh

• heterozygous

Cindy's genotype is Gg and her husband's genotype is homozygous recessive. What are all of the possible genotype(s) of Cindy and her husband's future child? **SELECT ALL THAT APPLY**

• GG

• Gg

• gg

Straight hairlines are recessive and widow's peak harilines are dominant. If a man who is homozygous dominant reproduces with a woman with a straight hairline, what are the possible genotype(s) of their children? **SELECT ALL THAT APPLY**

• HH

• Hh

• hh

Tags

NGSS.HS-LS3-1

NGSS.HS-LS3-2