such as one that causes only a brief lapse of consciousness (concussion) â can be ... The cause of intracranial bleeding (hemorrhage) usually is a head injury, often resulting from automobile ... This occurs when blood vessels â usually veins â rupture between your brain and the ...
Meiosis produces 4 haploid cells. Mitosis produces 2 diploid cells. The old name for meiosis was reduction/ division. Meiosis I reduces the ploidy level from 2n to n (reduction) while Meiosis II divides the remaining set of chromosomes in a mitosis-like process (division).
1 Meiosis occurs in diploid cells. 2  The chromosomes duplicate once, and through two successive divisions, four haploid cells are produced, each with half the chromosome number of the parental cell.3  Meiosis occurs only in sexually reproducing organisms. Meiosis occurs in diploid cells. 2  The chromosomes duplicate once, and through two successive divisions, four haploid cells are produced, each with half the chromosome number of the parental cell.