Sex determination of fish

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    In vertebrates, fish are the most diverse group of sex determination. With higher vertebrates, sex determination in fish based still is genetic, but different is in the number of fish species, sex gene is not clearly focused on the sex chromosomes, often gene on chromosome more in to sex determination. Also in the development of early fish sex more obvious performance as Bi potential: some external environmental factors can influence the sex differentiation of fish in different degree, so that fish sex determination mechanism of benefit show complex.