MCRA

(redirected from Most recent common ancestor)
Also found in: Acronyms, Wikipedia.

MCRA

Abbrev. for Member of the College of Radiologists of Australia.
References in periodicals archive ?
Keywords: absorption time, ancestral process, coalescent, exchangeability, most recent common ancestor, simultaneous multiple collisions
(1), the expected covariance between the mean phenotypes of two species depends on the regressions of their mean phenotypes on the mean phenotype of their most recent common ancestor. In the case of Brownian motion, the expected value of a species mean phenotype at any point in time, X(t), given the mean phenotype of an ancestor living at time [t.sub.z], X([t.sub.z]), is the mean phenotype of that ancestor, E[X(t)|X([t.sub.z])] = X([t.sub.z]).
Times to most recent common ancestors of H7N9 viruses, Tennessee and Alabama, USA, March 2017 * Virus clusters (no.
If the human and chimp mutation rates remained constant throughout evolutionary history, the species would have shared their most recent common ancestor about 13 million years ago.
Sequences from Rostov-on-Don and the Rostov region were monophyletic (Figure 2, node A); the time to the most recent common ancestor was 200 days (95% high probability density interval 68-347 days); however, this group was imperfectly supported by a posterior probability value of 0.85.
But, he adds, "I don't understand the result in terms of biology." The rearrangement suggests that the most recent common ancestor of animals may have had nerves and muscles, since comb jellies do.
2 Science, finds that their most recent common ancestor lived 120,000 to 156,000 years ago.
This sequence set was analyzed to estimate the time to the most recent common ancestor and to generate a skyline plot.
Tyrannosaurus rex never would have had the chance to terrorize the most recent common ancestor of rodents, rabbits and primates.
Because a reliable molecular clock dating existed for the most recent common ancestor (MRCA) of the hCoV-OC43/bovine CoV pair (25), this date was set as a normal-distributed probabilistic prior within the published ranges (25) for calibration of all analyses.
That most recent common ancestor probably lived around the middle of the last ice age, when ice would have blanketed coastal Antarctica, says Lambert.
Results suggest that the most recent common ancestor of all those chipmunks lived about 200,000 years ago, says Ken N.
Full browser ?