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For example, a cousin-granduncle is a male first cousin twice removed that comes from an older generation, and a cousin-grandniece is a female first cousin twice removed who comes from a younger generation. The term grandcousin is sometimes used for the grandchild of a first cousin, or the first cousin of a grandparent: a first cousin twice ...
In clinical genetics, consanguinity is defined as a union between two individuals who are related as second cousins or closer, with the inbreeding coefficient (F) equal or higher than 0.0156, where (F) represents the proportion of genetic loci at which the child of a consanguineous couple might inherit identical gene copies from both parents.
First, second, and third cousins (and so on unto infinity cousins) are an equal number of generations removed from the common ancestor. First cousins are both the second generation removed from ...
half-second cousin once removed: 0.78125% (2 −7) 5: 7: 4: ... meaning the only way for the randomly chosen alleles to be identical by descent is if the same allele ...
Second cousins Relation Term Vocative or Address English equivalent Degree of mourning (duration) paternal grandson of paternal grandfather's brother older than ego: 再从兄 (再從兄) zàicóngxiōng: second cousin: 4 paternal grandson of paternal grandfather's brother younger than ego: 再从弟 (再從弟) zàicóngdì " 4
This makes President Carter a half second-cousin of producer Berry Gordy. He is also a half second-cousin, once removed, of LMFAO rapper Redfoo (Stefan Kendal Gordy). s_bukley/depositphotos.
Five states prohibit first-cousin-once-removed marriages. [4] Some states prohibiting cousin marriage recognize cousin marriages performed in other states, but despite occasional claims that this holds true in general, [5] laws also exist that explicitly void all foreign cousin marriages or marriages conducted by state residents out of state. [6]
In Pakistan, where there has been cousin marriage for generations and the current rate may exceed 50%, one study estimated infant mortality at 12.7 percent for married double first cousins, 7.9 percent for first cousins, 9.2 percent for first cousins once removed/double second cousins, 6.9 percent for second cousins, and 5.1 percent among ...