Punnett Square Practice Monohybrid

In flies, small wings (w) are recessive to large wings (W). A homozygous dominant fly is mated with a homozygous recessive fly. What percentage of offspring will have a Ww genotype?

• 25%

• 50%

• 75%

• 100%

Tags

NGSS.HS-LS3-2

In flies, small wings (w) are recessive to large wings (W). A homozygous dominant fly is mated with a homozygous recessive fly. What percentage of offspring will have small wings?

• 25%

• 50%

• 75%

• 0%

Having attached earlobes (e) is recessive to unattached earlobes (E). A man with genotype (Ee) and a woman with attached earlobes have a child. What is the percent chance the child has attached earlobes?

• 25%

• 50%

• 75%

• 100%

Having attached earlobes (e) is recessive to unattached earlobes (E). A man with genotype (Ee) and a woman with attached earlobes have a child. What fraction of this couple’s children are likely to be genotype Ee?

• 1/4

• 1/2

• 3/4

• 4/4

In cats, long hair (H) is dominant to short hair (h). A cat with long hair (Hh) is mated with a cat that also has long hair (Hh). What will be the ratio of long hair to short hair?

• 1:1

• 2:2

• 3:1

• 1:3

In pigeons, normal feathers are dominant to frizzy feathers. Two heterozygote pigeons mate with each other and produce offspring. What fraction of offspring will have normal feathers?

• 1/4

• 1/2

• 3/4

• 4/4

Tags

NGSS.MS-LS3-2

In pigeons, normal feathers are dominant to frizzy feathers. Two heterozygote pigeons mate with each other and produce offspring. What percentage of the offspring will have frizzy feathers?

• 25%

• 50%

• 75%

• 100%

In pea plants, yellow peas (g) are recessive to green peas (G). Two plants with yellow peas are crossed together. What percentage of offspring will have yellow peas?

• 25%

• 50%

• 75%

• 100%

Tags

NGSS.MS-LS4-4

In pea plants, yellow peas (g) are recessive to green peas (G). Two plants with yellow peas are crossed together. What percentage of offspring will be heterozygotes?

• 25%

• 50%

• 75%

• 0%

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