Not exact matches
Thawing caused ice crystals to
form and prevented
meiosis, the cellular process
during which an egg's chromosomes split up from 46 to 23, to be united later with 23 chromosomes from a sperm cell.
This genetic recombination takes place
during a specialized
form of cell division called
meiosis.
In
meiosis, a precursor cell — primordial germ cell — produces four spermatozoids
during spermatogenesis, while only one oocyte is
formed during oogenesis (the other three cells die
during the process).
The Cole lab found that fewer crossovers
formed during juvenile waves of
meiosis compared to adult waves, because juvenile waves of
meiosis employ alternative DNA repair pathways that are less likely to generate crossovers.