What is true about Wolffian ducts? They do not degenerate in females. They devel
ID: 3473292 • Letter: W
Question
What is true about Wolffian ducts?
They do not degenerate in females.
They develop into a male reproductive tract under the influence of testosterone.
They develop into male external genitalia under the influence of dihydrotestosterone.
Both a and b
Both a and c
Choose the incorrect pairing related to blood pressure control:
kidneys, long term control
baroreceptor reflex, short-term control
fluid-shift, long-term control
thirst, long-term control
All of the pairings above are incorrect.
A secondary spermatocyte is ______ with _______ chromosomes.
haploid, nonreplicated
haploid, replicated
diploid, nonreplicated
diploid, replicated.
none of the above
a.They do not degenerate in females.
b.They develop into a male reproductive tract under the influence of testosterone.
c.They develop into male external genitalia under the influence of dihydrotestosterone.
d.Both a and b
e.Both a and c
Explanation / Answer
Question: 1. What is true about Wolffian ducts?
Answer: b. They develop into a male reproductive tract under the influence of testosterone.
In both the male and the female the Wolffian duct develops into the trigone of urinary bladder. Wolffian duct degenerates in females and develops in males. Testosterone promotes development of the Wolffian ducts. In male sexual differentiation occurs when the ducts are exposed to testosterone during embryogenesis. In a male, the Wolffian duct develops into parts of the male reproductive system, such as the epididymis and the vas deferens. In the absence of testosterone the Wolffian duct regresses in the female.
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