Incomplete Dominance Codominance

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 pink (RW) flowers?

• 0%

• 25%

• 50%

• 100%

Tags

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

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

A calico cat shows both the traits for orange fur and black fur. What kind of allele expression is this?

• Incomplete Dominance

• Co dominance

• Independent assortment

• Recessive inheritance

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%

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-LS3-2

This type of inheritance pattern is a MIXTURE of both traits.

• incomplete dominance

• co-dominance

• complete dominance

• recessive pattern

This type of inheritance pattern shows BOTH traits in possible offspring

• complete dominance

• incomplete dominance

• co-dominance

• dominant pattern

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

• Red

• Red and White

• White

• Pink

Tags

NGSS.HS-LS3-1

NGSS.HS-LS3-2

A brown rooster and a white chicken produced this speckled offspring:

• Incomplete dominance

• Codominance

• Complete dominance

Tags

NGSS.HS-LS3-1

NGSS.HS-LS3-2