Question

If the SRY gene is expressed in a developing embryo, then which of the following should...

If the SRY gene is expressed in a developing embryo, then which of the following should occur?

Select one:

a. The Mullerian ducts will continue to develop, the Wolffian ducts will disappear, and the fetus will develop female structures

b. The Wolffian ducts will continue to develop, the Mullerian ducts will disappear, and the fetus will develop male structures

c. The Mullerian ducts will continue to develop, the Wolffian ducts will disappear, and the fetus will develop male structures

d. The Wolffian ducts will continue to develop, the Mullerian ducts will disappear, and the fetus will develop female structures

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Answer #1

The correct answer is option B that is the Wolfian ducts will continue to develop, the mulerian ducts will disappear, and the fetus will develop male structures because SRY gene is responsible for developing male structures and it is present in Y chromosome. So, if the mulerian ducts continue to grow then female structure will develop, so option A and C are wrong answer.

Option D is wrong because if Wolfian ducts will develop then the structures will be male and not female.

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