Punnett Squares Incomplete and Codominance

The different forms of a gene are called ---

• traits

• hybrids

• alleles

This type of inheritance pattern is a MIXTURE of two traits. This is known as ---

• incomplete dominance.

• codominance

A condition in which both alleles for a gene are expressed so that both traits are visible is known as ---

• Codominance

• Incomplete dominance

Some flowers are controlled by codominance. Red flowers (RR), blue flowers (BB) and Speckled flowers (RB).

Cross two speckled flowers.

• 1 red, 2 speckled, 1 blue

• 2 red, 2 blue

• 2 blue, 2 speckled

• 1 red, 1 speckled, 2 blue

Tags

NGSS.HS-LS3-1

NGSS.HS-LS3-2

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

this image is an example of

• codominance
• dominance
• incomplete dominance

this image is an example of

• codominance
• dominance
• incomplete dominance

Tags

NGSS.HS-LS3-1

NGSS.HS-LS3-2

In some carnations, flower color exhibits codominance. When crosses, Red (R) and white (W) flowers make speckled flowers (RW) that show both colors.
Complete a cross between 2 speckled flowers and find the genotype ratio.

• 0 RR: 4 RW: 0 WW
• 2 RR: 2 RW: 0 WW
• 1 RR: 2 RW: 1 WW
• 0 RR: 2 RW: 2 WW

Tags

NGSS.HS-LS3-3

What blood type is the "universal donor" because it can be donated to anyone?

• A
• B
• AB
• O

If two parents are heterozygous for type A blood, what is the probability that their offspring would have type O blood?

• 100 %
• 75%
• 50%
• 25%