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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

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

From Textbooks ● Jun. 9, 2022

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

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

If the X chromosomes of D. simulans and D. santomea contain recessive inviability genes based on assays of hemizygous females, then hybrid males carrying these X chromosomes should have reduced viability or be lethal.

From Science Magazine ● Sep. 15, 2011

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