Incomplete and Codominance

Snap dragon color is a incomplete dominant trait. A red flower (RR) is crossed with white flower (WW)? What color are flowers that are RW?

• Red and white spotted

• Red

• Pink

• White

Tags

NGSS.HS-LS3-1

NGSS.HS-LS3-2

A red flowered plant (RR) is crossed with a white flowered plant (WW). The gene for petal color in these plants expresses incomplete dominance. What percentage of the offspring will have red (RR) flowers?

• 0%

• 25%

• 50%

• 100%

Tags

NGSS.HS-LS3-1

NGSS.HS-LS3-2

The hair form gene shows incomplete dominance. If your genotype is SS, you will have straight hair. If your genotype is CC, you will have curly hair. If your genotype is SC, you will have wavy hair. Mr. and Mrs. Anderson both have wavy hair (SC). What percentage of their children will also have wavy hair (SC)?

• 25%

• 50%

• 75%

• 100%

Tags

NGSS.HS-LS3-1

NGSS.HS-LS3-2

NGSS.HS-LS3-3

What do the phenotypes of the offspring in this Punnett square represent?

• incomplete dominance

• codominance

Tags

NGSS.HS-LS3-1

NGSS.HS-LS3-2

Codominance occurs in calico cats, which allows for the Black and Tan colors to show. What percentage of the offspring represented in this P square will be calico (black and tan spotted)?

• 25%

• 50%

• 75%

• 100%

Tags

NGSS.HS-LS3-1

NGSS.HS-LS3-2

Incomplete dominance occurs in cats, which allows them to be Black, White, or gray as shown on this Punnett square. What percentage of the offspring will be black?

• 25

• 50

• 75

• 100

Tags

NGSS.HS-LS3-1

NGSS.HS-LS3-2

Incomplete dominance occurs in cats, which allows them to be Black, White, or gray as shown on this Punnett square. What percentage of the offspring will be gray?

• 25

• 50

• 75

• 100

Tags

NGSS.HS-LS3-1

NGSS.HS-LS3-2

NGSS.HS-LS3-3

The green fish offspring in this image is an example of ---

• Incomplete dominance

• Codominance

Tags

NGSS.HS-LS3-1

NGSS.HS-LS3-2

In a certain species of flower, the allele for red petals (R) is incompletely dominant over the allele for white petals (W). What would be the expected phenotype of a flower with the genotype RW?

• Red

• White

• Pink

• Red and white spotted

In cattle, the allele for red coat color (R) is codominant with the allele for white coat color (W). What would be the phenotype of a cow with the genotype RW?

• Red

• White

• Roan (red and white patches)

• Pink