Data from Y Chromosome Studies

question 57

Multiple Choice

Data from Y chromosome studies

• A) do not agree with the results of mtDNA studies.
• B) support an Asian origin for modern humans.
• C) indicate that African populations are older than populations in other parts of the world.
• D) indicate that African populations are younger than populations in other parts of the world.

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Definitions:

Local Environment

The immediate physical and biological surroundings of an organism, influencing its growth and development.

Change

Change refers to the process of becoming different in some particular way, without permanently losing one's or its former characteristics or essence.

Keystone Species

An essential species in an ecosystem that plays a key role in maintaining the balance, wherein its elimination would cause dramatic shifts in the ecosystem's dynamics.

Nutrient Cycling

The movement and exchange of organic and inorganic matter back into the production of living matter.