Suppose that diploid cells of the seminiferous tubules encounter errors during the cell cycle and mitosis. This results in the primary spermatocytes having a 4n number of chromosomes. Assuming that meiosis proceeds normally, which of the following would be true?
A) Sperm cells would have an n number of chromosomes.
B) Sperm cells would have a 2n number of chromosomes.
C) Secondary spermatocytes would have a 4n number of chromosomes.
D) Secondary spermatocytes would have an n number of chromosomes.
Answer: B
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Which of the following is necessary to move substances against an electrochemical gradient?
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