Sex Chromosome Abnormalities
Fragile X syndrome is caused by a mutated gene on the X chromosome. Affected individuals have developmental delays, variable levels of mental retardation, and behavioral a...
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Sex determination is decided by the 23rd pair of chromosomes commonly known as the sex chromosomes. Males have XY as their 23rd pair and females have XX. A female gamete, the ovum, can only receive on...
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Sex Chromosome Abnormalities
