QQuestionAnatomy and Physiology
QuestionAnatomy and Physiology
What happens if an XY individual is missing the SRY gene?
A) They will develop female reproductive anatomy
B) They will develop male reproductive anatomy
C) They will have a balanced genetic makeup
D) They will develop both male and female reproductive anatomy
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Answer
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Step 1I'll solve this problem step by step, focusing on the genetic determination of sex.
Step 2: Understanding Sex Chromosome Basics
- Humans typically have sex chromosomes XX (female) or XY (male) - The SRY (Sex-determining Region Y) gene is located on the Y chromosome - This gene is crucial for male sexual development
Final Answer
Explanation: The absence of the SRY gene in an XY individual prevents male sexual differentiation, causing the embryo to develop female reproductive anatomy by default.
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