The XXXX genotype is likely to produce an individual that is tall, has various physical abnormalities, and is mentally impaired.
A poly-X genotype is a genotype where more than two X chromosomes are present in the cells of an individual.
A poly-X genotype is associated with an imbalance in gene dosage for the genes in the X chromosomes.
This imbalance leads to different health problems including phenotypic characteristics such as height.
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