Final answer:
Male homosexuality is more likely to be transmitted by genes from the maternal side of the family, resulting in fewer offspring being produced by the maternal relatives of homosexual men.
Step-by-step explanation:
Research studies have shown that male homosexuality is more likely to be transmitted by genes from the maternal side of the family. The maternal relatives of homosexual men tend to produce fewer offspring compared to the maternal relatives of heterosexual men. Therefore, the correct answer is A) fewer; maternal.