Complete Dominance 1

In pea plants, round seeds (R) are dominant to wrinkled seeds (r). Which of the following represents the genotype of a pea plant that is heterozygous?

• RR

• round

• Rr

• wrinkled

Tags

NGSS.HS-LS3-1

In pea plants, round seeds (R) are dominant to wrinkled seeds (r). Which of the following represents the genotype of a pea plant that is homozygous dominant?

• RR

• round

• Rr

• wrinkled

Tags

NGSS.HS-LS3-1

In pea plants, round seeds (R) are dominant to wrinkled seeds (r). Which of the following represents the phenotype of a pea plant that is homozygous dominant?

• RR

• round

• Rr

• wrinkled

In pea plants, round seeds (R) are dominant to wrinkled seeds (r). Which of the following represents the phenotype of a pea plant that is heterozygous?

• RR

• round

• Rr

• wrinkled

Tags

NGSS.HS-LS3-1

In mice, black fur (B) is dominant to white fur (b). According to the Punnett square shown, the offspring in box 4 would:

• be white.

• be heterozygous.

• be gray.

• be homozygous.

Tags

NGSS.HS-LS3-1

NGSS.HS-LS3-3

In mice, black fur (B) is dominant to white fur (b). According to the Punnett square shown, how many offspring would be white?

• 0

• 1

• 2

• 3

• 4

Tags

NGSS.HS-LS3-1

NGSS.HS-LS3-3

In mice, black fur (B) is dominant to white fur (b). According to the Punnett square shown, how many offspring would be black?

• 0

• 1

• 2

• 3

• 4

Tags

NGSS.HS-LS3-1

NGSS.HS-LS3-3

In mice, black fur (B) is dominant to white fur (b). According to the Punnett square shown, what is the genotypic ratio of the offspring?

• 1:1

• 4:0

• 1:2:1

• 3:1

Tags

NGSS.HS-LS3-3

In mice, black fur (B) is dominant to white fur (b). According to the Punnett square shown, what is the phenotypic ratio of the offspring?

• 1:1

• 4:0

• 1:2:1

• 3:1

Tags

NGSS.HS-LS3-3

In many plants, tall (T) is dominant to short (t). In the cross shown here, the genotype of both parents is:

• tall.

• short.

• homozygous.

• heterozygous.

Tags

NGSS.HS-LS3-1