zygosity

zygosity
The quality or characteristics of a zygote
See Also: zygose, zygosis, zygospere, zygospore, zygotene, zygotic, zygotically, -zygous

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  • Zygosity — refers to the genetic condition of a zygote. In genetics, zygosity describes the similarity or dissimilarity of DNA between homologous chromosomes at a specific allelic position or gene. The terms homozygous, heterozygous and hemizygous are used… …   Wikipedia

  • zygosity — noun Etymology: probably from zygous Date: 1946 the makeup or characteristics of a particular zygote; also the genetic relationship between offspring of a single birth especially in regard to being derived from the same or different zygotes …   New Collegiate Dictionary

  • zygosity — /zuy gos i tee, zi /, n. Genetics. 1. the characterization of an individual s hereditary traits in terms of gene pairing in the zygote from which it developed. Cf. homozygous, heterozygous. 2. the characterization of twinning and multiple births… …   Universalium

  • zygosity — The nature of the zygotes from which individuals are derived; e.g., whether by separation of the division of one zygote (monozygotic), in which case they will be genetically identical, or from two separate fertilized ova (dizygotic). * * *… …   Medical dictionary

  • -zygosity — zy·gos·i·ty a word termination denoting relationship to the zygote …   Medical dictionary

  • zygosity —    Twin development from on or two zygotes. If one, the twins are identical (monozygotic); if two, they are fraternal (dizygotic) …   Forensic science glossary

  • zygosity — zy·gos·i·ty …   English syllables

  • zygosity — zy•gos•i•ty [[t]zaɪˈgɒs ɪ ti, zɪ [/t]] n. 1) gen the characterization of a hereditary trait in an individual according to whether the gene pairs for the trait are homozygous or heterozygous 2) dvl the characterization of twins, triplets, etc.,… …   From formal English to slang

  • zygosity — ˈgäsəd.ē noun ( es) Etymology: New Latin zygosis + English ity : zygotic quality or characteristics : specific inheritance …   Useful english dictionary

  • Twin — Monozygotic ( identical ) twins A twin is one of two offspring produced in the same pregnancy.[1] Twins can either be monozygotic (in common parlance, identical ), meaning that they develop from one zygote that splits and forms two embryos, or… …   Wikipedia

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