Sharing is not just caring, it's also about giving credit - add this image to your page and give credit to the talented photographer who captured it.:
anatomy animal biology body cell cells cellular chromatid chromatids chromosome cycle development diagram diploid divide division dna duplicate egg embryo fertilization fetal gametes genetic haploid health human illustration living medical meiosis mitosis one oocyte oogenesis oogonia oogonium ootid organism ovum polar pregnancy process processes prophase reproduction reproductive scheme science second sexual sperm spermatocyte spermatogenesis spermatogonia spermatogonium stem vector zygote