Example sentences for: urochordates

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

  • We found no evidence (as would be indicated by cDNA clones or ESTs) in the database for alternative promoter usage among any of the invertebrate Runx genes examined, suggesting that alternative promoters may have evolved in the chordate lineage leading to vertebrates, subsequent to its divergence from urochordates.

  • The trees also suggest that the gene duplications that produced the three vertebrate Runx genes occurred early in the chordate lineage leading to vertebrates, but subsequent to its divergence from urochordates.

  • , nematodes) with a false coelom and finally to the bulk of animal phyla having a true coelom (Coelomata) [ 1 2 ] . There has never been complete agreement on animal phylogeny and classification, but most researchers have divided living coelomate animals into deuterostomes (echinoderms, hemichordates, urochordates, cephalochordates, and vertebrates) and protostomes (arthropods, annelids, mollusks, and other phyla) based on differences in early embryonic development.

  • 3); the main observations derived from each method are summarized in Table 1. The consensus of phylogenetic approaches strongly indicates the monophyly of the deuterostome Runx genes in the collection, with the expected relationships (echinoderms(urochordates(vertebrates))).


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