Question

Human egg and sperm are similar in that ________. A. about the same number of each is produced per month B. they are about the same size B they have the same number of chromosomes B. they have the same degree of motility

Answer 1

Answer:

B. they have the same number of chromosomes

Explanation:

Each diploid primary spermatocyte (2n=46) undergoes a first meiotic division to produce two haploid secondary spermatocytes (n=23). Meiosis II in each secondary spermatocytes forms a total of four haploid spermatids or sperms (n=23).

Likewise, meiosis-I in a diploid primary oocyte (2n=46) forms a haploid secondary oocyte and the first polar body. Both have a total of 23 chromosomes. Meiosis-II in the secondary oocyte forms a haploid ovum with n=23. Therefore, human egg and sperms are haploid and have one complete set of chromosomes (n=23).

Answer 2

Answer:

The answer is B

Explanation:

They have the same number of chromosomes. The gametes, which are the egg and sperm produce equal number of chromosomes which are 23.