Phenotypes and Genotypes

Round seeds (R) are dominant to wrinkled seeds (r) in pea plants. A homozygous recessive plant crosses with a heterozygous plant. What are the genotypes of both plants?

• RR X rr

• Rr X rr

• RR X Rr

• Rr X Rr

Tags

NGSS.HS-LS3-1

NGSS.HS-LS3-2

Round seeds (R) are dominant to wrinkled seeds (r) in pea plants. A homozygous recessive plant crosses with a heterozygous plant. Is is possible that their offspring could have wrinkled seeds?

• Yes

• No

How many alleles code for a trait?

• 1

• 2

• 3

• 4

Identify whether the genotype below is homozygous or heterozygous.

Gg

• Homozygous

• Heterozygous

Identify whether the genotype below is homozygous or heterozygous.

• Homozygous

• Heterozygous

Identify whether the genotype below is homozygous or heterozygous.

yy

• Homozygous

• Heterozygous

Identify whether the genotype below is homozygous or heterozygous.

Tt

• Homozygous

• Heterozygous

Identify whether the genotype below is homozygous or heterozygous.

pp

• Homozygous

• Heterozygous

Determine the resulting phenotype based on the genotype below.

Gg

Determine the resulting phenotype based on the genotype below.

pp