Sentences with phrase «single ancestor»
The phrase "single ancestor" means that all living beings or a specific group of organisms in a family are descended or come from a common individual in the past. Full definition
The great apes (man, ape, baboon, chimpanzee, etc.) are all descended form a single ancestor.
religion.blogs.cnn.com
In fact, each human gene can be traced back to a single ancestor at some point over the last few million years, but different individuals at different times, and this is entirely to be expected statistically.
While researchers had previously thought that ST258 K. pneumoniae strains spread from a single ancestor, the NIH team showed that the strains arose from at least two different lineages.
A recent study claims all three arose from a single ancestor about 9 million years ago.
David Holdsworth argues that extraterrestrial life is unlikely because life on Earth «descended from a single ancestor cell» despite an...
These yeasts likely arose from a single ancestor, or from an inbred ancestral population.
But this nice example of adaptive radiation — a single ancestor giving rise to an array of species all exploiting slightly different environmental niches — has been largely overlooked by biologists before now.
Other research has traced this as the single ancestor of all of today's O. sativa rice varieties, but the team identified two further origins.
Previous studies have revealed that human hair, reptile scales and bird feathers evolved from a single ancestor — a reptile that lived 300 million years ago — but this new study from the Fraser Lab at Sheffield has found that the skin teeth found on sharks also developed from the same genes.
The birds are a textbook example of adaptive radiation, in which a single ancestor responds to a selective pressure — in this case, food availability — by diversifying into several species.
Scientists think that this family evolved by gene duplication, branch by branch, from a single ancestor present in primitive vertebrates.
«Everything we call green algae descended from a single ancestor, maybe from a single cell, long ago in the ocean or in the freshwater.»
Scientists ask the same question when genetically identical cells in identical environments — monoclonal cells produced by a single ancestor that replicated — exhibit wildly different behaviors.
This basically means that all mitochondria and mitochondria - like organelles from all extant eukaryotic lineages can be traced back to a single ancestor.
From current understanding they were cultivated from a single ancestor of the brassica family starting 8,000 to 10,000 years ago — after the Paleolithic Era ended.
Chinooks come from a single ancestor, Chinook, whose father was a large Mastiff - type mixed breed, and mother was a «Northern Husky.»
Identifying the closest common ancestor puts a focus on a single ancestor, who may or may not be a carrier, and is usually so far back in pedigrees that his influence on the breed can not be modified.
DESCRIPTION: using family items to celebrate one single ancestor, (Bastress) the name which has since died out in though bloodlines gets one last chance
DESCRIPTION: using family items to celebrate one single ancestor, (Nagle) the name which has since died out in though bloodlines gets one last chance