Question

What is the chromosome count of a primary spermatocyte?

Options

• 46 chromosomes, haploid (n)

• 23 chromosomes, diploid (2n)

• 23 chromosomes, haploid (n)

• 46 chromosomes, diploid (2n)

Answer 1

A Primary Spermatocyte is a diploid cell containing 46 chromosomes (2n). These cells form during the growth phase when Type B spermatogonia absorb large quantities of nutrients and grow considerably in size, approximately doubling in volume, before undergoing meiotic divisions.