Unit 8 Practice Quiz

Mutations that occur in sex cells can be passed from parent to offspring during

• Cloning

• Binary Fission

• Sexual reproduction

What type of cell passes on mutations?

• An egg cell

• A nerve cell

• A muscle cell

What type of mutation occurs when a piece of a chromosome is lost during cell division?

• A substitution

• A deletion

• A duplication

What is the probability of a man with Type AB blood and a woman with Type O blood having an offspring with Type O blood?

• 0%

• 50%

• 100%

A woman is a carrier for color blindness, a sex–linked trait. If she marries a man who is not color–blind, what is the probability that one of their sons will inherit the trait?

• 0%

• 50%

• 100%

Tall plants are dominant to short plants. What is the outcome if two short plants are crossed?

• All tall plants

• 2 tall and 2 short plants

• All short plants

A tall pea plant (TT) is crossed with a short pea plant (tt). What is the probability that the offspring will be tall?

• 100%

• 50%

• 25%

A plant that grows red flowers was crossed with the same kind of plant that grows white flowers. Their offspring grew pink flowers. Which BEST explains why the offspring grew pink flowers?

• Codominance

• Incomplete dominance

• Sex-linked trait

Phenylketonuria (PKU) is inherited as a recessive condition. A man with PKU marries a woman without any alleles for PKU. What is the probability that their child will inherit PKU?

• 0%

• 25%

• 100%

How can two organisms have the same phenotype but different genotypes?

• One individual is homozygous recessive and the other is heterozygous

• One individual is homozygous dominant and the other is heterozygous

• One individual is homozygous dominant and the other is homozygous recessive