Chloe was born with male genitalia but now lives happily as a woman. What gene effect may have resulted in Chloe being transsexual rather than cisgender (same gender as biological sex)?
A. Her brain may have been masculinized due to the effects of an allele of the CYP17 gene.
B. Her brain may have been masculinized due to the effects of an allele of the AR gene.
C. Her brain may not have been masculinized due to the effects of an allele of the CYP17 gene.
D. Her brain may not have been masculinized due to the effects of an allele of the AR gene.
Answer: D
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