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Which of the following chromosome compositions in a sperm normally results in the production of a genetic female if fertilization occurs?

waelhammad
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2022-11-10
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Which of the following chromosome compositions in a sperm normally results in the production of a genetic female if fertilization occurs?

  1. 23 homologous pairs of chromosomes
  2. 22 homologous pairs of chromosomes
  3. 23 autosomes plus an X chromosome
  4. 22 autosomes plus a Y chromosome
  5. 22 autosomes plus an X chromosome
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waelhammad
2022-11-10
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E. A sperm contains 22 autosomes and 1 sex chromosome. The sex chromosome in sperm may be either the X or the Y chromosome. The sex chromosome in a secondary oocyte is only the X chromosome. If an X-bearing sperm fertilizes a secondary oocyte, a genetic female (XX) is produced. Therefore, sperm is the arbiter of sex determination.

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