Biology 11th Edition by Cecie Starr ,Ralph Taggart

تمرين 15

Assume you can measure the amount of DNA in the nucleus of a primary oocyte, and then in the nucleus of a primary spermatocyte. Each gives you a mass m. What mass of DNA would you expect to find in the nucleus of each mature gamete (egg and sperm) that forms after meiosis What mass of DNA will be (1) in the nucleus of a zygote that forms at fertilization and (2) in that zygotes nucleus after the first DNA duplication