Sex-linked Inheritance

Question 1

Humans have chromosome pairs.

Revolt · Accepted Answer

23

Question 2

Which statement about Thomas Hunt Morgan’s conclusion is true?

Revolt · Accepted Answer

D: Traits like white eye color in fruit flies are linked to the X chromosome.

Question 3

Use the pedigree on the right to determine which of the following are possible genotypes for Irene.

Revolt · Accepted Answer

B: XHXh; D: XHXH

Question 4

What chance does Irene have of being a carrier? Express your answer in a percentage.%

Revolt · Accepted Answer

50

Question 5

Use the pedigree on the right to determine the genotype of Ryan.

Revolt · Accepted Answer

B: XRY

Question 6

have two X chromosomes, while have one X chromosome and one Y chromosome.

Revolt · Accepted Answer

A: Females; B: Males; C: females; D: males

Question 7

Look at the Punnett square for an X-linked recessive disease. Is it possible for a female offspring to have the disease?

Revolt · Accepted Answer

B: no

Question 8

Which statement about sex-linked traits is true?

Revolt · Accepted Answer

C: Sex-linked traits may be passed from parent to offspring on either the X chromosome or the Y chromosome.

Sex-linked Inheritance Answers