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Wz sex determination systemJoseph Mason on Penis banding Sex-determination system Print this page A sex-determination system is a biological system that determines the development of sexual characteristics in an organism. In many cases, sex determination is genetic: In animals, this is often accompanied by chromosomal differences. In other cases, sex is determined by environmental variables such as temperature or social variables the size of an organism relative to other members of its population. The details of some sex-determination systems are not yet fully understood. Chromosomal determination XY sex chromosomes The XY sex-determination system is one of the most familiar sex-determination systems and is found in human beings and most other mammals. In the XY sex-determination system, females have two of the same kind of sex chromosome XX , while males have two distinct sex chromosomes XY.The WZ sex-determination system is found in birds and some insects and other organisms. In the WZ sex-determination system, the situation is reversed. The XY and ZW chromosomes share no genes at all. What's more, the ZW chromosomes flip the sex determination system. A male chicken - or. A sex-determination system is a biological system that determines the development of sexual characteristics in an organism. Most organisms that create their...the end of the story look at the video above ↑ ↑ ↑

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