The correct answer is: A. in greater numbers for a longer period of time in the male.
Reproductive cells in human beings are called gametes. Gametes are produced in the gonads, which are the testes in males and the ovaries in females. The testes produce millions of sperm cells every day, while the ovaries produce only a few hundred eggs each month. Sperm cells are produced continuously throughout a man’s life, while a woman’s eggs are produced only during her reproductive years. This means that men produce gametes in greater numbers for a longer period of time than women.
Option B is incorrect because gametes are not produced in equal numbers in both sexes. Men produce millions of sperm cells every day, while women produce only a few hundred eggs each month.
Option C is incorrect because gametes are produced for a longer period of time in the male than in the female. Sperm cells are produced continuously throughout a man’s life, while a woman’s eggs are produced only during her reproductive years.
Option D is incorrect because gametes are not produced in greater numbers by the female than by the male. Men produce millions of sperm cells every day, while women produce only a few hundred eggs each month.