Types of Gene Action MCQ - Practice Questions with Answers

Which of the following is an example of inhibitory gene action?

Which of the following factors can influence inhibitory gene action?

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 Assertion is true statement but Reason is false, then mark C

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

Assertion: Duplicate gene action plays a significant role in the evolution of organisms. 

Reason: Gene duplication provides genetic material for functional divergence and evolutionary innovation.

What is the consequence of duplicate gene action?
 

In Shepherd’s purse, the presence of either gene A or gene B or both results in triangular capsules; when both these genes are in recessive forms, the oval capsules are produced. Infer the F2 ratio.