: a usually long and single nerve-cell process that usually conducts impulses away from the cell body.â axÂ·oÂ·nal \Ëak-sÉn-Él; ak-Ësaen-, -ËsÃ¤n-\ ËsÅn. adjective a usually long and single nerve-cell process that usually conducts impulses away from the cell body.
The significance of meiosis :-. 1. It maintains the same chromosome n umber in the sexually reproducing organisms. From a diploid cell, haploid gametes are produced which in turn fuse to form a diploid cell. 2. It restricts the multiplication of chromosome number and maintains the stability of the species. 3. Maternal and paternal genes get exchanged during crossing over.
meiotic recombination; mitotic recombination; MEIOSIS is essential to maintaining the proper complement of chromosomes in sexually reproducing organisms. By following one round of DNA replication with two rounds of cellular division, meiosis effectively halves the chromosome content of participating cells. Prior to the first meiotic division, homologous chromosomes pair and, in many organisms, undergo recombination. Both crossovers, characterized by the reciprocal exchange of flanking markers, and noncrossovers, in which flanking DNA remains unchanged, result from these recombination events.