If You Were to Sequence the Genome of Two Individuals

question 102

Multiple Choice

If you were to sequence the genome of two individuals and found that their DNA is 99.9% similar, what inference could you make?

• A)These two individuals must be siblings.
• B)These individuals are likely identical twins.
• C)These individuals must be from different species.
• D)No inferences could be made because 99.9% of DNA is shared between all humans.

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Definitions:

Heritability

A statistical measure that indicates how much of the variation in a particular trait within a population can be attributed to genetic differences among individuals.

Universal Grammar

A theory suggesting that the ability to acquire language is innate, genetically programmed, and common to all humans, regardless of the specific language they learn.

Noam Chomsky

A linguist, cognitive scientist, and political activist known for revolutionizing the field of linguistics by introducing the concept of universal grammar.

Prelinguistic Vocalizations

Sounds made by infants before they acquire language, including cooing and babbling, which are early forms of communication and vocal experimentation.