What Defines a Carrier?

By |2023-05-18T13:08:03-04:00Jun 26, 2013|Genetics and Inheritance, Premutation|

Why is there so much variability among male and female Fragile X carriers? There are a number of factors involved. Because the Fragile X gene is X-linked, gender plays a big role in determining who might show symptoms. Male premutation carriers, because they have only one X chromosome, are much more commonly affected by FXTAS than are female carriers.

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