Genes located on the sex chromosomes are called:

Genes located on the sex chromosomes are called:

a. sex-linked.
b. sex-limited.
c. autosomal.
d. recombination.

Color vision deficiency is more common in males than in females because it is controlled by a:

Color vision deficiency is more common in males than in females because it is controlled by a:

a. sex-limited gene.
b. Y-linked gene.
c. dominant X-linked gene.
d. recessive X-linked gene.

An example of a sex-linked trait is:

An example of a sex-linked trait is:

a. eye color.
b. color vision deficiency.
c. temperament.
d. intelligence.

If a characteristic is controlled by an X-linked recessive gene, it produces its apparent effects:

If a characteristic is controlled by an X-linked recessive gene, it produces its apparent effects:

a. more often in males.
b. more often in females.
c. only in childhood.
d. only after puberty.

In general, when biologists speak of sex-linked genes they are referring to genes on:

In general, when biologists speak of sex-linked genes they are referring to genes on:

a. autosomal chromosomes.
b. more than one chromosome.
c. the X chromosome.
d. the Y chromosome.

In humans, which chromosome(s) contain(s) few genes?

In humans, which chromosome(s) contain(s) few genes?

a. All human chromosomes contain few genes.
b. Both the X and Y chromosomes contain few genes.
c. The X chromosome contains few genes.
d. The Y chromosome contains few genes.

Which of the following pairs of sex chromosomes would be found in a normal male mammal?

Which of the following pairs of sex chromosomes would be found in a normal male mammal?

a. XX
b. XY
c. YY
d. YZ

An autosomal gene is a gene:

An autosomal gene is a gene:

a. on the X chromosome.
b. on the Y chromosome.
c. on any chromosome other than the X or Y chromosome.
d. that shows no evidence of crossing over.

Almost all humans have 23 pairs of which of the following?

Almost all humans have 23 pairs of which of the following?

a. RNA
b. Chromosomes
c. Genes
d. Corduroys
e. Veins

Suppose that adopted children are more similar to their biological parents than their adoptive parents in their preferences for a flavor of ice cream. Which of the following would be true?

Suppose that adopted children are more similar to their biological parents than their adoptive parents in their preferences for a flavor of ice cream. Which of the following would be true?

a. Heritability of this trait is high.
b. Preferences for ice cream are determined solely by the environment.
c. Flavors of ice cream are naturally selected.
d. Heritability of this trait is low.