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Plz write any of them.

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  1. The reproductive system of an organism, also known as the genital system, is the BIOLOGICAL system made up of all the anatomical organs involved in sexual reproduction. Many non-living substances such as fluids, hormones, and pheromones are also important accessories to the reproductive system.
  2. Chromosomal sex is determined at the time of fertilization; a chromosome from the sperm cell, either X or Y, fuses with the X chromosome in the EGG cell. Gonadal sex refers to the GONADS, that is the testis or ovaries, depending on which GENES are expressed.


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