
Zygosity is the degree of similarity of the alleles for a trait in an organism. Most eukaryotes have two matching sets of chromosomes; that is, they are diploid. Diploid organisms have the same loci on each of their two sets of homologous chromosomes, except that the sequences at these loci may differ between the two chromosomes in a matching pair...
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http://en.wikipedia.org/wiki/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 fertilised ova (dizygotic). ... (05 Mar 2000) ...
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http://www.encyclo.co.uk/local/20973

(zi-gos´ĭ-te) the genetic condition or characteristics of a zygote.
Found on
http://www.encyclo.co.uk/local/21001

the characterization of an individual's hereditary traits in terms of gene pairing in the zygote from which it developed. Cf. · the characterization of twinning and multiple births in terms of the combination of alleles for particular hereditary traits. Cf.
Found on
https://www.infoplease.com/dictionary/zygosity
No exact match found.