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How is sex determined in humans
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In humans, it is the male's sperm that determines the sex of the children. Thus, the germ cells are found in the cords within the testes. Genes inherited from the parents determine whether an offspring will be a boy or a girl. The YO condition is fatal, because the X carries many genes that are indispensible for survival. Moreover, other testis-forming genes have been found on the autosomes. Without testosterone and AMH, the mesonephric ducts degenerate and disappear. Cite this Page Gilbert SF.



Environmental Sex Determination. In some fish and reptiles, sex is determined by the temperature at which the eggs are incubated. In lizards and alligators, warm incubation temperatures cause all eggs to produce males, while temperatures only 1 or 2 degrees Celsius (34 or 35 degrees Fahrenheit) cooler produce females. In a human, the normal chromosomes complement is 46, 44 of which are autosomes while 2 distinct chromosomes are deemed sex chromosomes, which determine the sex of an organism and various sex linked characteristics. In most animals, those who possess XX chromosomes are female while male animals possess an X and a Y chromosome. Sex is determined by the presence or absence of certain chromosomes, and it differs between humans (mammals) and other members of the animal kingdom. Sex is determined by the presence or absence of certain chromosomes, and it differs between humans (mammals) and .




How is sex determined in humans? Would you like to merge this question into it? Would you like to make it the primary and merge this question into it? Merge this question into. Split and merge into it. The sex of a human offspring is determined by the sperm of the father.

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