during gametogenesis, diploid or haploid precursor cells divide and differentiate to form mature haploid gamete.

anatomy animal atom biology cell chemical chemistry chromosome development diagram difference diploid divide division education egg element female fertilisation gamete gametogenesis haploid human illustration information isolated male maturation mature medical medicine meiosis molecular molecule oogenesis ovulation ovum primary process reproduction science sexual sperm spermatocyte spermatogenesis spermatozoon structure system