Which statement(s) about the number of males and females is true? Statement A: Sperm containing a Y chromosome swim faster than those containing an X chromosome. Statement B: Male fetuses are more vulnerable to miscarriage than are female fetuses. Statement C: Cultural values and governmental policy contribute to the differences in the number of male and female babies born and raised in some societies.

Question

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Statement A is supported by some studies suggesting that Y chromosome-bearing sperm may swim faster. Statement B is supported by research indicating that male fetuses have a higher risk of miscarriage. Statement C is true as cultural and governmental factors can influence gender ratios.

Which Statement(s) About the Number of Males and Females Is