In cladistics, the condition of being monophyletic, of including all descendants from a given ancestral species.(noun)
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Use "monophyly" in a sentence
"That’s pretty interesting, though it has to be said that the statistical support for turiasaurian monophyly is not overwhelmingly impressive."
"This "monophyly" hypothesis (figure 4B-1) requires the same number of gene gains or losses as the "paraphyly" hypothesis sustained by our phylogeny (figure 4A), both being thus equally parsimonious."
"In any case, the possibility of multiple aboriginal cells does not survive into textbook neo-Darwinism, in which universal monophyly (a single Tree of Life, rooted in a common ancestor [cell]) is orthodoxy."