The difference between a male and a female rests largely on
A) anatomical differences.
B) secondary sexual characteristics.
C) size and energetic cost of gametes.
D) presence or absence of a Y chromosome.
E) All of the choices are correct.

Question

Quizplus · Accepted Answer

While all of the choices are correct to some extent, the primary difference between males and females is determined by the size and energetic cost of their gametes. Females produce larger, energetically costly eggs, while males produce smaller, less energy-intensive sperm. This fundamental difference drives other anatomical and physiological differences between the sexes.

The Difference Between a Male and a Female Rests Largely