Dictionary.com
Thesaurus.com
Showing results for hemizygous. Search instead for hemizygous+vein.

hemizygous

British  
/ ˌhɛmɪˈzaɪɡəs /

adjective

  1. genetics (of a chromosome or gene) not having a homologue; not paired in a diploid cell

"Collins English Dictionary — Complete & Unabridged" 2012 Digital Edition © William Collins Sons & Co. Ltd. 1979, 1986 © HarperCollins Publishers 1998, 2000, 2003, 2005, 2006, 2007, 2009, 2012

Example Sentences

Examples are provided to illustrate real-world usage of words in context. Any opinions expressed do not reflect the views of Dictionary.com.

Males are said to be hemizygous, because they have only one allele for any X-linked characteristic.

From Textbooks • Jun. 9, 2022

In this case, sex-linked traits will be more likely to appear in the female, in whom they are hemizygous.

From Textbooks • Apr. 25, 2013

This difference is expected because the population size of the chromosome is three quarters that of autosomes, and the chromosome can experience greater purifying selection because of exposure of deleterious recessive alleles in hemizygous males.

From Nature • Feb. 8, 2012

New -linked mutations are directly exposed to selection each generation in hemizygous males, and the chromosome has greater recombination than autosomes; both of these factors could contribute to this observation.

From Nature • Feb. 8, 2012

For a gene to cause HI when both homozygous and hemizygous, but not when heterozygous, strongly implies that the HI gene is behaving like a loss-of-function mutation in a hybrid background.

From Science Magazine • Sep. 15, 2011