pedigree collapse
plural of croqueta
past participle of tee
Comprehensiveness.
(genealogy) The phenomenon in which ancestral inbreeding causes the number of a descendant’s distinct ancestors to be smaller than that predicted by a binary tree (∑ᵢ₌₁ⁿ 2ⁱ, where n represents the number of generations).
王族の系譜を研究する遺伝学者は、しばしば系図の縮退に遭遇し、複数の血統が合流して本来予測されるよりも異なる祖先の数が減少することがある。
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