When a primary germ cell gets ready to begin meiosis the DNA is first copied in the same way as it occurs for mitosis. This cell then undergoes two divisions so that each of the four final cells only has half of the original DNA....
During fertilization the sperm and egg unite to form a single cell called the zygote which contains chromosomes from both the sperm and egg. Thezygote undergoes mitosis to begin development of the human embryowhich eventually becomes a baby. Do eggs and sperm arise by mitosis or meiosis? Mitosis...