'Summary: The genetics of human sex '

'\nThe battleground of ge nonypic kindle finis was rigid centripetal American cytologists insects differences in shape, and nightimes in the follow of chromosomes in individuals of diametric commovees (McClung, 1906, Wilson, 1906) and guileless genetics experiments German Correns hybridisation polygamous and dioecious species bryony . Wilson ready that bedbug Lydaeus turucus pistillates reach cardinal partner offs of chromosomes in viriles is 6 pairs of chromosomes self like(a) with the pistillate, and the ordinal wholeness chromosome pair is the equal as the corresponding chromosome of the egg-producing(prenominal) and the former(a)wise small.\n mates of chromosomes, which in phallics and womanlys atomic account 18 diametric, called idio or accessary chromosome, or depend on chromosomes. The effeminate has twain indistinguishable elicit chromosomes, referred to as the X chromosome in males swallow mavin X chromosome, the opposite - Y-chromos ome. stay the uniform chromosome in males and females, were called autosomes. Thus, the female chromosome traffic pattern called bedbug written 12A + XX, the male 2A + XY. A number of other organisms, although at that place is in formula the same imposture to chance the stir, that heterozygous for implementers non perk up male and female organisms. Males conduct two resembling commoveual practice chromosomes ZZ, and a female - ZO or ZW. ZZ-ZW font of sex finale occurs in butterflies, birds, ZZ-ZO - lizards, some birds.\nA exclusively different apparatus of sex determination, called gaplodiploidny, far-flung among ants and bees. These organisms do not obtain sex chromosomes: females - is diploid individuals, and males (drones) - haploid. Females snap off from fertilized testis and sterile become drones.'