pedigree collapse

短语

释义与例句

n.
  1. 1.

    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).

    不可数

词源

Coined by Robert C. Gunderson.

来源：wiktionary