Definitions

from The American Heritage® Dictionary of the English Language, 4th Edition

  • adj. Having different alleles at one or more corresponding chromosomal loci.
  • adj. Of or relating to a heterozygote.

from Wiktionary, Creative Commons Attribution/Share-Alike License

  • adj. of an organism which has two different alleles of a given gene

from The Century Dictionary and Cyclopedia

  • Of or pertaining to germ-cells with opposite allelomorphic characters.
  • Of or pertaining to characters which will not become fixed or constant under continual selection.

from WordNet 3.0 Copyright 2006 by Princeton University. All rights reserved.

  • adj. having dissimilar alleles at corresponding chromosomal loci

Etymologies

hetero- + -zygous (Wiktionary)

Examples

  • (Most statins are approved for use in children with an inherited cholesterol disorder called heterozygous familial hypercholesterolemia, which causes very high levels of LDL in the blood — along the lines of over 500 mg/dL, leading to artery damage and possibly heart attacks at a relatively young age.)

    How I avoided cholesterol-lowering drugs—at age 10

  • Most statins are approved for use in children with an inherited cholesterol disorder called heterozygous familial hypercholesterolemia, which causes very high levels of LDL in the blood—along the lines of over 500 mg/dL, leading to artery damage and possibly heart attacks at a relatively young age.

    How I avoided cholesterol-lowering drugs—at age 10

  • The results come months after positive results from a study focusing on patients with a genetic disorder called heterozygous familial hypercholesterolemia, that raises "bad" cholesterol.

    The Seattle Times

  • The R275W polymorphism in Parkin and the G411S polymorphism in PINK1 have only been identified as heterozygous polymorphisms in cases of Parkinson disease

    PLoS Biology: New Articles

  • This information was used to validate the sequence of the more complicated "heterozygous" golden delicious apple (in which duplicated chromosomes are not identical).

    Food IngredientsFIrst News

  • The newly identified victim, who died in January after suffering symptoms of personality change, memory loss, unsteadiness and visual hallucinations, had the "heterozygous" MV form.

    Yahoo! News: Latest news headlines News Headlines | Top Stories

  • Statins are approved by the FDA for use only in kids who have an inherited cholesterol condition (heterozygous familial hypercholesterolemia) that causes very high levels of LDL in the blood — along the lines of over 500 mg/dL — leading to artery damage and possibly heart attacks at a relatively young age.

    Children’s cholesterol levels often drop without treatment, says CDC

  • But no problems seemed to occur in genes that were immediately medically important, or if they did, Watson was heterozygous, meaning he had one good copy of the gene.

    The $1,000 Genome

  • Statins are approved by the FDA for use only in kids who have an inherited cholesterol condition heterozygous familial hypercholesterolemia that causes very high levels of LDL in the blood—along the lines of over 500 mg/dL—leading to artery damage and possibly heart attacks at a relatively young age.

    Children’s cholesterol levels often drop without treatment, says CDC

  • All that is required is a female animal bearing one or more chromosome rearrangements in heterozygous form.

    On Thursday, the Legg report will be published along with...

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