Genetics and Punnett Squares Co-Dominance

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

• Incomplete Dominance
• Co-Dominance
• Mendelian Inheritance
• Homozygous Inheritance

Incomplete dominance or co-dominance?
This type of inheritance pattern is a MIXTURE of both traits.

• incomplete dominance
• co-dominance

This type of inheritance pattern shows BOTH traits in possible offspring

• complete dominance
• incomplete dominance
• co-dominance
• dominant pattern

Incomplete dominance or co-dominance?

• Incomplete dominance
• Co-dominance

Tags

NGSS.HS-LS3-1

Ratios:
A breed of chicken shows codominance for feather color. One allele codes for black feathers, another codes for white feathers. The feathers of heterozygous chickens of this breed will be:

• all black
• all white
• all gray
• speckled black and white

A roan cow shows co-dominance in fur color (red and white). What is the phenotype % expected if a roan cow and a roan steer mate together?

• 100% Roan

• 25% Red, 25% White

• 50% Roan, 50% Red, 0% White

• 25% Red, 50% Roan, 25% White

Tags

NGSS.HS-LS3-1

NGSS.HS-LS3-2

AB blood type is an example of what type of inheritance?

• Mendelian inheritance

• Incomplete dominance

• Co-dominance

• A combination of Mendelian inheritance and co-dominance

What are the blood types of the possible children that a woman (type O) and man (type AB) can have?

• O and AB
• O and A
• O and B
• A and B

Tags

NGSS.HS-LS3-2

What genotyes could the offspring of a man with blood group A and a woman with bloodgroup B have?

• A or B

• A, B, or AB

• A, B, or O

• A, B, AB, or O

Tags

NGSS.HS-LS3-1

NGSS.HS-LS3-2

A man that is homozygous for type A blood has children with a woman that is heterozygous for type B blood. What fraction of offspring will have type AB blood?

• 0%

• 25%

• 50%

• 75%

Tags

NGSS.HS-LS3-1

NGSS.HS-LS3-2