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What is the difference between a girl chromosome and a boy chromosomes?
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What is the difference between a girl chromosome and a boy chromosomes?

User Islam Murtazaev
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Answer: The X and Y chromosomes, also known as the sex chromosomes, determine the biological sex of an individual: females inherit an X chromosome from the father for a XX genotype, while males inherit a Y chromosome from the father for a XY genotype (mothers only pass on X chromosomes).

Step-by-step explanation:

User Izzekil
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Step-by-step explanation:

Girls have two X Chromosomes while boys have one X Chromosome and, as you now know, one Y Chromosome. So girls are XX and boys are XY.

User Imrul
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