Dictionary » S » Segmental



1. Relating to, or being, a segment.

2. (Science: anatomy) Of or pertaining to the segments of animals; as, a segmental duct; segmental papillae. Of or pertaining to the segmental organs.

(Science: anatomy) Segmental duct, the tubes which primarily open into the segmental duct, some of which become the urinary tubules of the adult.

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Re: Experimental evidence for evolution

... in each lineage is remarkably similar: 300,000 copies.” The section Gains and losses of DNA :- reads β€œIn addition to large rearrangements and segmental duplications, genome architecture is strongly influenced by insertion and deletion events that add and remove DNA over evolutionary time.” ...

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by jevg
Sun Jul 25, 2010 10:17 am
Forum: Evolution
Topic: Experimental evidence for evolution
Replies: 103
Views: 194789

The Fiber Disease

... then new cladistics must be formed. "Dr Akam who is an expert in Drosophila development, considered the evolution of arthropods - who are segmental animals (such as lobsters and insects etc) - and who like all animals have a set of genes called hox genes, which lay down some of the basic ...

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by Skytroll
Sat Jul 15, 2006 4:24 pm
Forum: Human Biology
Topic: The Fiber Disease
Replies: 7403
Views: 6245106

seeking answer

... plant has 34 somatic chromosomes in a cell. From the analysis of the genome sequence of Arabidopsis thaliana, some evidence show there are segmentally duplicated regions in the Arabidopsis genome, and Gaut & Doebley (1997) suggested that Arabidopsis, like maize, had a tetraploid ancestor. ...

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by pengliu
Fri Sep 16, 2005 4:19 am
Forum: Genetics
Topic: seeking answer
Replies: 2
Views: 3168

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