What does LCA stand for?

Last Common Ancestor

This definition appears very rarely and is found in the following Acronym Finder categories:

Science, medicine, engineering, etc.

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Samples in periodicals archive:

s such, the skeleton offers a window on what the last common ancestor of humans and living apes might have been like.

Oldest hominid skeleton rewrites human evolutionary history

He said the only way we're really going to know what this last common ancestor looked like is to go and find it.

Hello, Mum! ARDI OUSTS LUCY AS OUR 1st ANCESTOR

Ardi isn't the last common ancestor, White said, but "it's the closest we've come to the last common ancestor.

Oldest human ancestor revealed; Lived 4.4 million years ago in ...

4 percent when only functional genes are counted, and that our last common ancestor lived about 5 million years ago.

THE EVOLUTION OF DARWIN'S THEORY

Researcher April Ruiz said: "Because we have found this ability in lemurs, we can push back the date of its evolution far beyond the last common ancestor we share with apes, or even monkeys, back to the first primates.

Lemurs share 'gazes' with us

The new work used genetic data from the two old HIV samples plus more than 100 modern samples to create a family tree going back to these samples' last common ancestor.

Study traces AIDS virus origin to 100 years ago

The human lineage diverged from the bonobo-chimpanzee lineage about 6 million years ago, and the last common ancestor of bonobos and chimps lived about 2.

Talk to the hand: language might have evolved from gestures

They find that genetic distance, a measure associated with the amount of time elapsed since two populations' last common ancestors, bears a statistically and economically significant correlation with pairwise income differences, even after controlling for various measures of geographical isolation, and other cultural, climatic, and historical differences.

Political Economy