Sentences with phrase «ancestral form»
The phrase "ancestral form" refers to the original or earliest version of something that has been passed down through generations. It represents the initial or ancient appearance or structure of a particular entity, which has been inherited from ancestors. Full definition
The most malignant cells represent the most ancestral forms, a sort of reversal of the evolutionary arrow of time.
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The fact that we find Eunotosaurus at the base of the Karoo succession strongly suggest that there are more ancestral forms of tortoises still to be discovered in the Karoo,» Rubidge added.
«There are more ancestral forms [of ichthyosaurs] still to be found,» Fischer notes.
Etymologically, evolution means unfolding or unrolling something that had been present in the ancestral forms or substances.
The opening sequence of Stanley Kubrick's Space Odyssey 2001 presents a vision of the Fall of Man that features an ancestral form that clearly predates modern man.
These are CT scan images of the skull roof (front bone in pink, parietal in green) and brain (in blue) of, top to bottom, a chicken, the birdlike dinosaur Zanabazar, the primitive dinosaur Herrerasaurus, and Proterosuchus, an ancestral form that diverged before the bird / crocodile split.
We look at lots of species to figure out the ancestral form of a particular molecule.
But the ancestral forms of this disease used different insect vectors and different malarial strains, and may literally have helped shape animal survival and evolution on Earth, according to George Poinar, Jr., a researcher in the College of Science at Oregon State University.
Other researchers may simply have dismissed mutants that revert to an ancestral form as the product of contamination, Leyser says.
After extensive DNA testing, archaeozoologists and genetic specialists agreed with Louise that these animals were indeed Caspian horses, the ancestral form of the Arabian horse.
It goes back 415 to 420 million years and preserves the ancestral forms of a lot of the insects that are alive today,» he said.
This human protein shows reduced binding relative to the ancestral form but recognizes oligosialic acids, which are enriched in the brain.
Dr. Davis has presented some evidence that the biggest problem with wheat may be that it has twice been hybridized, expanding its genome from 14 chromosomes in its ancestral form (einkorn wheat) to 28 chromosomes (emmer wheat) through hybridization with goat grass, later to 42 chromosomes through another hybridization with Triticum grass to create modern wheat.
One of a family of short - legged terriers developed on Scotland's Isle of Skye, the cairn terrier probably still resembles the ancestral form to a greater degree than others descended from the same stock.
But real estate crowdfunding doesn't only stand out from its ancestral forms simply because it opens up investment opportunities to more people.