pedigree collapse
Ahnenschwund
The phenomenon in which ancestral inbreeding causes the number of a descendant’s…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).
Meaning
1 senses(uncountable)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).
Ahnenschwund
Translations
2 languagesDeutsch
By meaning 1
phenomenon in genealogy:
Origin
Coined by Robert C. Gunderson.Coined by Robert C. Gunderson.
Wiktionary, CC BY-SA 4.0 · source
Word family
1 related wordsRelatedimplex
Lessons for this word
1 lessons- A1Countable and uncountable nouns — Because it can be uncountable