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

The ZW-ZZ types of sex determination are seen in

Which of the following are correct w.r.t ZW-ZZ types of sex determination?

1) The females are heterogametic and carry ZW sex chromosomes.

2) The males are heterogametic and carry ZW sex chromosomes.

3) The males are homogametic and carry ZZ sex chromosomes.

4) The females are homogametic and carry ZZ sex chromosomes.

Which of the following is incorrect regarding ZW-ZZ type of sex determination ? 

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: In ZW female and ZZ male type of sex determination, females have a pair of ZW sex chromosomes, while males have a pair of ZZ sex chromosomes.

Reason: This type of sex determination is based on the presence or absence of sex chromosomes, with the ZW female and ZZ male type of sex determination being one of the many ways in which sex can be determined in various species.