hemizygous
adjective Date: circa 1921 having or characterized by one or more genes (as in a genetic deficiency or in an X chromosome paired with a Y chromosome) that have no allelic counterparts

New Collegiate Dictionary. 2001.

Look at other dictionaries:

  • hemizygous — [hem΄i zī′gəs] adj. being or having a gene, esp. one on the X chromosome, that lacks an allelic complement and which therefore always expresses the trait which it carries * * * …   Universalium

  • hemizygous — [hem΄i zī′gəs] adj. being or having a gene, esp. one on the X chromosome, that lacks an allelic complement and which therefore always expresses the trait which it carries …   English World dictionary

  • hemizygous — | ̷ ̷ ̷ ̷+|zīgəs, hēˈmizə̇gəs adjective Etymology: hemi (I) + zygous : having or characterized by unpaired genes or a haploid organism or generation a hemizygous sex chromosome …   Useful english dictionary

  • hemizygous — adj. [Gr. hemisys, half; zygon, yoke] A gene with no allele; gene in a haploid organism; sex linked gene as in xy xx; gene in a part of a chromosome where the corresponding part has been deleted …   Dictionary of invertebrate zoology

  • hemizygous — adjective Having some single copies of genes in an otherwise diploid cell or organism …   Wiktionary

  • hemizygous — Having unpaired genes in an otherwise diploid cell; males are normally h. for genes on both sex chromosomes. SYN: hemizygotic. * * * hemi·zy·gous zī gəs adj having or characterized by one or more genes (as in a genetic deficiency or in an X… …   Medical dictionary

  • hemizygous — adj. (Biology) of or pertaining to a hemizygote, of or pertaining to an individual that has only one gene out of a pair …   English contemporary dictionary

  • hemizygous — hemi·zy·gous …   English syllables

  • hemizygous — adj. describing genes that are carried on an unpaired chromosome, for example the genes on the X chromosome in males. Derivatives: hemizygote n …   The new mediacal dictionary

  • hemizygous — The condition in which genes are present only once in the genotype and not in pairs. Occurs for all genes in haploids, for all genes located in the differential segments of the sex chromosomes in diploids, and in various aneuploids and deletion… …   Glossary of Biotechnology

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