pedigree collapse

Noun

Meaning

pedigree collapse (uncountable)

(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
=
1


n



2

i




{\displaystyle \sum _{i=1}^{n}2^{i}}

, where



n


{\displaystyle n}

represents the number of generations).

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