Scientists Use DNA to Track the Migration of Humans Across

question 70

Multiple Choice

Scientists use DNA to track the migration of humans across the planet.After a group migrates away from their ancestral homeland,any mutations that occur are not mixed with those left in the ancestral population.Therefore,DNA samples taken from ________ would have the most unique mutations,representing the most recent population to migrate to a new area.

• A) Africa
• B) Asia
• C) Australia
• D) Europe
• E) the Americas

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Definitions:

Parallel

Lines in a plane that never meet, no matter how far they are extended, because they have the same slope.

Line

A geometric figure that is one-dimensional, has no thickness, and stretches indefinitely in both directions is referred to as a line.

Y-Intercept

The point where a line or curve intersects the y-axis of a coordinate plane.

Point

A specific location in space with no dimension, represented by coordinates.