Example sentences for: ancestor

How can you use “ancestor” in a sentence? Here are some example sentences to help you improve your vocabulary:

  • Three scenarios can explain the presence in species A of a gene which is absent in species B and C: first, the gene was present in the common ancestor of the species A, B, and C, and has then been independently lost in species B and C; second, the gene has been acquired by the common ancestor of species A and B, and then lost in species B; and third, the gene has been recently acquired by species A. The last hypothesis is the most parsimonious explanation if one considers that the acquisition of a gene is at least as probable as a loss.

  • Eukaryotes have maintained their introns because they confer the capacity to create evolutionary novelty through exon shuffling [ 2 ] . The introns-early theory predicts that at least some of the extant eukaryotic introns are direct descendants of the primordial sequences in the LUCA [ 2 3 4 5 ] . The alternate view, "introns-late", suggests that the last common ancestor was intron-free and that spliceosomal introns have originated in eukaryotes from recent invasions by autocatalytic RNAs (e.g.

  • The rehabilitation of Strom and Jesse is Washington politesse of the worst sort, a twisted Inside-the-Beltway version of ancestor worship.

  • Since Slurvian thus exists in both a Germanic language (English) and a Romance language (French), must it not therefore follow that Slurvian has its origin in the common ancestor of both tongues, that is in the Indo-stage?

  • 1A) do not possess a LRR domain, is not in favour of the existence of a LRR-containing ancestor: in that case, at least two independent LRR deletion events (versus one LRR acquisition event, see below) would be required to generate the angel, 3635 and nocturnin families on the one hand, and the CCR4 arabidopsis proteins on the other hand.


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