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Premutation Carriers

Home/Tag: Premutation Carriers

What Defines a Carrier?

By |2019-04-18T15:54:00-04:00Jun 26, 2013|Genetics|

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.