Genetics

In pea plants, purple flowers (P) are dominant to white flowers (p). A Pp plant has which genotype?

• homozygous dominant

• homozygous recessive

• heterozygous

In mice, black fur (B) is dominant to white fur (b). A Bb mouse would have the phenotype of

• gray fur

• black fur

• white fur

• black and white fur

Tags

NGSS.MS-LS4-4

What would you write in the orange box?

• RR

• Rr

• rr

Tags

NGSS.MS-LS3-2

What would you write in the yellow box?

• RR

• Rr

• rr

Tags

NGSS.MS-LS4-4

According to the Punnett Square shown, what is the probability the offspring will have red flowers?

• 0/4 = 0%

• 1/4 = 25%

• 2/4 = 50%

• 4/4 = 100%

Tags

NGSS.HS-LS3-1

NGSS.HS-LS3-2

NGSS.HS-LS4-3

R = Red flowers r = White flowers According to the Punnett Square shown, what is the probability the offspring will have white flowers?

• 0/4 = 0%

• 1/4 = 25%

• 2/4 = 50%

• 4/4 = 100%

Tags

NGSS.HS-LS3-1

NGSS.HS-LS3-2

This allele will only be seen if the genotype has two of them

• dominant

• recessive

The physical appearance of a trait

• phenotype

• genotype

• chromosome

• allele

Tags

NGSS.MS-LS4-4

This type of allele will always be seen if it is present in the genotype

• dominant

• recessive

In mice, black fur (B) is dominant to white fur (b). A bb mouse would have the phenotype of

• gray fur

• black fur

• white fur

• black and white