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...female parent. Zygosity is a description of whether those two alleles have identical or different DNA sequences. In some cases the term "zygosity" is used in th ...|locus]] on the DNA. ''Homozygous'' describes a genotype consisting of two identical alleles at a given locus, ''heterozygous'' describes a genotype consisting ...

{{Short description|American mathematician (1935–2019)}} | nationality = American ...

...ication of zygosity (mistaking identical for fraternal & vice versa), that twins are unrepresentative of the general population, and that there is no [[asso ...for [[population stratification]]) bypasses many heritability criticisms: twins are often entirely uninvolved, there are no questions of equal treatment, r ...

{{Short description|Shapes for crystals with interfaces and twins}} ...oth the shape of certain [[gemstone]]s or [[Crystal twinning|crystals with twins]].as well as in other areas such as how nanoparticles play a role in the co ...

...ic relationships (e.g., parent-child, sibling, dizygotic and monozygotic [[twins]]) allows one to estimate to what extent genes and environment contribute t ...nozygotic twins will tend to be more similar to one another than dizygotic twins for reasons that have nothing to do with genes.<ref name="KendlerNeale1993" ...

...tion of 1 implies that all of the genetic influences on the two traits are identical. The bivariate genetic correlation can be generalized to inferring genetic ...aul|last9=Wilson|first9=James F.|last10=Campbell|first10=Harry|journal=The American Journal of Human Genetics|volume=89|issue=5|pages=607–618|pmid=22077970|pmc ...

{{Use American English|date=May 2024}} ...te, New Dimorphous Calcium Vanadium Silicate Minerals from Oregon |journal=American Mineralogist |volume=58 |issue=5–6 |pages=405–411}}</ref><ref>{{Cite journa ...

...ces to cling to one another (cohesion refers to the tendency of similar or identical particles/surfaces to cling to one another).}} ...ist of two [[proton]]s and two [[neutron]]s bound together into a particle identical to a [[helium-4]] [[atomic nucleus|nucleus]]. They are generally produced i ...