Lyonization

[ lī′ə-nĭ-zāshən ]

n.

The phenomenon in which heterozygous females do not phenotypically express their X-linked recessive genotype or do so only randomly.X-inactivation

QUIZZES

Can You Ace This Quiz About “Compliment” vs. “Complement”?
Take this quiz to see if you really know the difference between “compliment” and “complement"!
Question 1 of 11
“Compliment” and “complement” had a shared meaning a long time ago, but today they are no longer interchangeable.
The American Heritage® Stedman's Medical Dictionary Copyright © 2002, 2001, 1995 by Houghton Mifflin Company. Published by Houghton Mifflin Company.