Paragraph 4. Which of the following is correct about the fate of the intermal du
ID: 208171 • Letter: P
Question
Paragraph 4. Which of the following is correct about the fate of the intermal duct system, Wolffian duct? A Under the control of estrogen, it differentiates into female internal genitalia B. Under the control of testosterone, it differentiates into male duct system and internal genitalia C: Under the control of testis-determining factor, it differentiates into testes D: None of the above. 5. T/F. Indifferent gametes migrate to the genital ridges before the indifferent (bipotential) gonads differentiate into either testes or ovaries. 16. Differentiation of spermatids into sperm include the following processes except A: Mitochondria are discarded to keep the sperm compact and easy to move B: Nucleus flattens and condenses, most of the cytoplasm is jettisoned C: Histones of spermatogonia are replaced by sperm-specific histones D: Acrosome forms a cap covering the nucleus. 20. T/F. The result of acrosomal reaction is exocytosis of the proteolytic enzymes and proteasomes of the sperm's acrosomal vesicle, and the digestion of a path by these enzymes through the jelly coat to the egg cell surfacel oM tho ts f6 144Explanation / Answer
4) B wolffian duct is under the control of testosterone, and differentiates into male duct system and internal genitalia.
5) FALSE as primordial germ cells migrate to the genital ridges before the indifferent gonads differentiate into testes or ovaries.
16) A mitochondria are not discarded.
20) TRUE the acrosomal reaction involves the exocytosis of proteolytic enzymes and proteosomes of the acrosome vesicle and the digestion of the path by these enzymes through the jelly coat to the egg cell surface.
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