In meiosis chromosomes are condensed and paired with homologes (one from mother and father). Crossing over occurs, resulting in exchange of parts of chromosomes and forming new, hybrid chromosomes. After that, chromosomes are randomly pulled apart and cells are divided. After that, new cell division takes place, resulting in 4 cells that have haploid chromosome number.
Channels: Scientific Animations Cell Biology Molecular Biology
Tags: Meiosis gonads chromosomes crossing over haploid cells
Uploaded by: sana ( Send Message ) on 15-05-2007.
Duration: 1m 48s