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-   -   Gene dosage effect (https://www.usmle-forums.com/usmle-step-1-forum/201065-gene-dosage-effect.html)

MananaMD 08-14-2015 10:57 AM

Gene dosage effect
 
"A small proportion of genes remain active on the inactivated x chromosome
(lyonization) . For this reason, inheritance of an abnormal number of x chromosomes can cause clinical manifestations due to gene-dosage effect, as seen in Turner and Klinefelter syndromes."
:rolleyes:

Can anyone explain this to me, please. :plz:
Is it someing like "manifested heterozygote" ?


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