If the SRY Gene "Jumps" onto an X Chromosomes During

question 89

Multiple Choice

If the SRY gene "jumps" onto an X chromosomes during meiosis, the resulting XX offspring will develop as a male. The observation that these individuals have defective spermatogenesis suggests that

• A) other genes on the Y chromosome are important for male fertility.
• B) other genes on the X chromosome are necessary for male fertility.
• C) other genes on the Y chromosome are necessary for Wolffian duct development.
• D) other genes on the Y chromosome are necessary for Müllerian duct development.
• E) testosterone levels are very low in these individuals.

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