Meiosis and its stages
Terms in this set (12)
The chromosomes condense, and the nuclear envelope breaks down. crossing-over occurs.
Pairs of homologous chromosomes move to the equator of the cell.
Homologous chrmosomes move to the oppisite poles of the cell.
Chromosomes gather at the poles of the cells. the cytoplasm divides.
A new spidle forms around the chromosomes.
Chromosomes line up at the equator.
Centromeres divides. chromatids move to the opposite poles of the cells.
A nuclear envelope forms around each set of chromosomes. the cytoplasm divides.
The different possibilities of sperms mixing with an egg to produce a unique zygote.
Synapsis is the pairing of two homologous chromosomes that occurs during meiosis. Happens during prophase 1
It makes the genes different.
The formation of random combinations of chromosomes in meiosis. Happens during metaphase 1