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Sex linkage
Sex linkage
is the
phenotypic
expression of an
allele
related to the
allosome
(sex chromosome) of the individual. In
autosomal
chromosomes
both sexes have the same probability of existing (see
Fisher's principle
), but since humans have many more
genes
on the female
X chromosome
than on the male
Y chromosome
, these are much more common than Y-linked traits.
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