The nucleus of a germline stem cell undergoes two divisions, firstly separating homologous chromosomes and secondly separating chromatids. Haploid gametes contain 23 single chromosomes.

Gametes are haploid cells, and each cell carries only one copy of each chromosome. These reproductive cells are produced through a type of cell division called meiosis. During meiosis, a diploid ...

"When yeast cells kiss": two haploid yeast cells of different mating types approach each other for mating. Use of images is limited to editorial coverage of scientific topics relating to the ...