Genetics

The physical expression of a gene

• phenotype

• genotype

• heredity

• heterozygous

Tags

NGSS.HS-LS1-1

What are the genotypes of the offspring? (click all that apply)

• AA

• Aa

• aa

Tags

NGSS.HS-LS3-1

NGSS.HS-LS3-2

What percentage of offspring are homozygous?

• 0

• 25

• 50

• 75

• 100

Tags

NGSS.HS-LS3-1

NGSS.HS-LS3-2

NGSS.HS-LS3-3

Fluffy tail (F) in dogs is dominant over thin tail (f). What is the probability of having a heterozygous offspring with a Homozygous dominant parent and a heterozygous parent?

• 0%

• 25%

• 50%

• 75%

• 100%

Tags

NGSS.HS-LS4-3

Which of the following could represent a recessive allele? (check all that apply)

• b

• h

• D

• L

Which one is a heterozygous pair?

• BB

• Dd

• ff

Which one is a homozygous recessive pair?

• BB

• dd

• Ff

Which one represents a genotype?

• BB

• Brown

Which one represents a phenotype?

• BB

• Brown

A genetic factor that blocks another genetic factor

• Punnett Square

• Dominant trait

• recessive trait

• genetics