As in prophase I, the chromosomes condense, spindles form, the centrioles begin to separate, and the nuclear membrane fragments and disperses. Unlike prophase I, the chromosomes do not attach to ...

Interphase The cell spends most of its life in this phase. The DNA in chromosomes copies itself ready for mitosis. Prophase The DNA in chromosomes and their copies condenses to become more visible.

In most multicellular organisms, meiosis is restricted to germ cells ... Human females, for example, are born with hundreds of thousands of oocytes that remain arrested in the first meiotic ...