Heredity Quiz 3

Human females produce egg cells that have

What is the probability that a human sperm cell will carry an X chromosome?

In some species of sheep, the males have more coiled horns because of external influences.

What are Mendel's factors called today?

In heterozygous individuals, only the recessive allele is expressed.

A fruit fly (XRXr) is crossed with a male (XrY), what % of offspring will have white eyes?

Which parental pair produces females with colorblindness?

If a characteristic is sex-linked, it

What is the probability that a human sperm will carry an X chromosome?

Sneetches can be tall, medium, or short. What pattern of inheritance is this?

In Mendel's experiment, the probability of an F₂ plant would be tall was

Sneetches can be yellow, blue, yellow and blue. What pattern of inheritance is this?

The passing of traits from parents to offspring is called

Offspring the result from crosses between true-breeding parents with contrasting traits are

What does a Punnett square show?

Mendel's initial experiments were monohybrid crosses.

Skin color is what pattern of inheritance?

An autosomal trait will occur with equal frequency in both males and females.

Genetics is the branch of biology that studies how traits are transmitted.

How many different combinations would be found in a gamete of a plant with the genotype RrYY?

Differing hormones can cause a single genotype to express more than one type of phenotype.

Garden peas are difficult to grow because they mature slowly.

The principle of dominance states that

Organisms that have two identical alleles for a trait are

Mendel discovered predictable patterns in the inheritance of traits.