Mendel\'s Law of Segregation

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…egg) does not receive an x or y chromosome. Therefore this is essentially another mix up in the law of segregation. If this egg is fertilized with a male sex cell with an X chromosome, the result is a normal female (because only 1 X is active in females). However, if a sperm cell with a Y chromosome impregnates the egg, the child does not receive all the information required for it has no X chromosome.