Genetic and Medical Glossary


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There are 2 names in this directory beginning with the letter X.
X linkage
a genetic phenomenon involving a gene located on the X chromosome; the typical pattern of X linkage involves recessive alleles, such as that for hemophilia, which exert their effects when passed from mother to son and are more likely to be exhibited by males than females

phenomenon in a female by which one X chromosome (either the maternally or paternally derived X) is randomly inactivated in an early embryonic cell, with fixed inactivation of that same X in all cells descended from that cell

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