Question Detail
Question
What role does the SRY gene on the Y chromosome play?
Correct Answer
Option B is the correct answer.
Detailed Explanation
The SRY gene (Sex-determining Region Y) is a master regulatory gene on the Y chromosome. Its product, the testis-determining factor (TDF), initiates a cascade of events leading to the development of testes in an embryo.
Hint
It's the key gene for 'maleness'.