Heredity Traits

T - tall and t = short

In the Punnett square, what belongs in the missing square?

• tt

• Tt

• TT

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

• 25%

• 50%

• 75%

• 100%

Tags

NGSS.HS-LS3-1

NGSS.HS-LS3-2

NGSS.HS-LS3-3

Which genotype is hetrozygous?

• Bb

• BB

• DD

• dd

Which is NOT an example of a phenotype?

• black fur

• blue eyes

• brown hair

• bb

Tags

NGSS.HS-LS3-1

Which genotype is homozygous recessive?

• Bb

• BB

• bb

• brown eyes

Tags

NGSS.HS-LS3-1

One trait that is ALWAYS present and causes the other traits to disappear is a ________________________

• recessive trait

• aggressive trait

• absent trait

• dominant trait

Tags

NGSS.HS-LS3-1

Dominant genes are represented by a ________

• Male gene

• lowercase letter

• recessive trait

• capital letter

When the two alleles of a gene are different

• Heterozygous

• Homozygous

• Phenotype

• Genotype

The brown eye trait is dominant over blue eyes. Which of the following genotypes best represents the phenotype for blue eyes?

• BB

• Bb

• bb

• bB

Tags

NGSS.HS-LS3-1

The genotype for a yellow plant is...

• GG

• Gg

• gg

• all of the choices result in yellow

Tags

NGSS.HS-LS3-1