Meiosis and Non-Mendelian Genetics Quiz

A woman homozygous for A blood marries a man heterozygous for B blood. What is the probability that they will produce offspring with AB blood?

• 0%

• 25%

• 50%

• 75%

What is the chance of a parent with blood types AB and a parent with blood type O producing an offspring with blood type O?

• 0%

• 25%

• 50%

• 100%

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

• 100% Red

• 1: Red: 1 White

• 1 Red: 1 Roan

• 1: Red: 2  Roan: 1 White

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

• 0%

• 25%

• 50%

• 100%

In chickens, feather color is codominant. If a homozygous black chicken is mated with one that is heterozygous black and white, what is the probability of having a chicken that is black and white?

• 1/4

• 1/2

• 3/4

• 100%

this image is an example of

• codominance
• dominance
• incomplete dominance

this image is an example of

• codominance
• dominance
• incomplete dominance

A missing piece of a chromosome is a-

• Insertion

• Deletion

• Translocation

• Transfiguration

Black hair is dominant to blonde hair. Freckles are dominant to no freckles.

A heterozygous black hair man with no freckles marries a blonde woman with no freckles. What percentage chance will these two have a black hair child with no freckles

• 4/16

• 2/16

• 1/16

• 8/16

A substitution occurs in a DNA sequence; however, the sequence does NOT lead to an amino acid change. What is this called?

• Missense

• Nonsense

• Silent

• Cancer