Incomplete Dominance Practice

This is an example of ___________?

• Incomplete dominance
• Co-Dominance

Tags

NGSS.HS-LS3-1

NGSS.HS-LS3-2

What type of inheritance do two alleles have if their traits blend together? 

• Incomplete Dominance
• Co-Dominance

In mice. coat color is incompletely dominant. Black and white are homozygous. Brown mice are heterozygous.

What is the genotype for a brown mouse?

• BB

• Bb

• bb

Tags

NGSS.HS-LS3-2

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

• 0%
• 25%
• 50%
• 100%

Tags

NGSS.HS-LS3-1

NGSS.HS-LS3-3

A plant shows incomplete dominance in size. A tall plant (TT) is crossed with a medium plant (TS). What fraction of plants will also be tall?

• 100 %
• 75%
• 50%
• 25%

Tags

NGSS.HS-LS3-3

The image above shows the incomplete dominant cross where B codes for red flowers and b codes for white flowers. What are the phenotypes of the parents?

• a red flower and a white flower

• a red flower and a pink flower

• a white flower and a pink flower

• two red flowers

Tags

NGSS.HS-LS3-1

NGSS.HS-LS3-2

In an incomplete dominant cross, B codes for red flowers and b codes for white flowers. Which genotype will show white flowers in the phenotype?

• BB

• Bb

• bb

• Bb and bb

The image above shows the incomplete dominant cross where D codes for straight hair in dogs and d codes for curly hair in dogs. The incomplete dominant trait is wavy hair. Which of the following statements is true about the offspring?

• Only the heterozygous genotype can code for wavy hair.

• Only the homozygous dominant genotype can code for wavy hair.

• Only the homozygous recessive genotype can code for wavy hair.

• The homozygous recessive and homozygous dominant genotypes can code for wavy hair.

Tags

NGSS.HS-LS3-1

NGSS.HS-LS3-2