Question

Crossing over involves which of the following events:
(A). DNA cleavage
(B). Ligation
(C). DNA degradation
(D). DNA synthesis
Choose the correct answer from the options given below:

• A. (A) and (B) only.
• B. (A), (B), (C) and (D).
• C. (A), (B) and (C) only.
• D. (A), (B) and (D) only.

Hint:

The standard molecular steps of gene recombination are Cut (cleavage), Paste/Repair (synthesis), and Seal (ligation).

Answer 1

The Correct Option is D