ZO/ZZ Type of Sex Determination MCQ - Practice Questions with Answers

Which of the following is correct w.r.t ZO-ZZ type of sex determination?

1) Females carry odd sex chromosomes.

2) Females are heterogametic.

3) Males are homogametic.

4) Males carry odd sex chromosomes.

In the following questions, a statement of assertion (A) is followed by a statement of reason (R)

(1) If both Assertion & Reason are true and the reason is the correct explanation of the assertion, then mark A

(2) If both Assertion & Reason are true but the reason is not the correct explanation of the assertion, then mark B

 (3) If the Assertion is a true statement but the Reason is false, then mark C

(4) If both Assertion and Reason are false statements, then mark D

Assertion: Females have a Z and a W chromosome (ZW) in the ZW sex-determination system, whereas men have two Z chromosomes. (ZZ).

Reason: This sex-determination system can be present in some mammals, including humans.

In the Z0 female and ZZ male sex determination system, which parent determines the sex of the offspring?