In 2012,researchers Determined That the Neanderthal DNA Had Been Introduced

question 12

Essay

In 2012,researchers determined that the Neanderthal DNA had been introduced into the human genome between 90,000 and 40,000 years ago.Does this support the hypothesis that Neanderthal DNA present in the human genome is a remnant from a common hominin ancestor? Support your answer by indicating roughly when DNA from Neanderthals would have been introduced to the human genome if that Neanderthal DNA was a remnant from a common hominin ancestor.

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Definitions:

Overextension

Use of words in situations in which their meanings become extended or inappropriate.

Reinforcement

The process of providing stimuli following a behavior, which has the effect of increasing the frequency of the behavior.

Extinction

The decrease and eventual disappearance of a response in the absence of reinforcement.

Mean Length Of Utterance

A measure used in the study of child language acquisition, indicating the average number of morphemes per utterance spoken by a child.