noun
EXAMPLES FROM CORPUS
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Consequently, a Cain gene on an X chromosome can safety kill the Y chromosome and not risk suicide.
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Females may be variably affected by virtue of random inactivation of the X chromosome .
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In heterozygous females, pre-B cells whose active X chromosome expresses the mutant gene would not terminally differentiate and proliferate.
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It is carried on the X chromosome .
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The gene is found on the X chromosome , males being more severely affected than females.
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The pattern arises, we now know, because the gene is carried on the X chromosome .