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zygosity

[zahy-gos-i-tee, zi-] /zaɪˈgɒs ɪ ti, zɪ-/
noun, Genetics.
1.
the characterization of an individual's hereditary traits in terms of gene pairing in the zygote from which it developed.
2.
the characterization of twinning and multiple births in terms of the combination of alleles for particular hereditary traits.
Origin
1945-1950
1945-50; zyg- + -osity or zygos(is) + -ity
Dictionary.com Unabridged
Based on the Random House Dictionary, © Random House, Inc. 2014.
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zygosity in Medicine

zygosity zy·gos·i·ty (zī-gŏs'ĭ-tē)
n.
The genetic condition of a zygote, especially with respect to its being a homozygote or a heterozygote.

The American Heritage® Stedman's Medical Dictionary
Copyright © 2002, 2001, 1995 by Houghton Mifflin Company. Published by Houghton Mifflin Company.
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