You Know That a Particular Stretch of DNA Changes at the Rate

question 24

Multiple Choice

You know that a particular stretch of DNA changes at the rate of 1 base per 10 million years.You sequence this length of DNA in two species and find that they differ by 4 bases: AATGCGATCG and AATGTTATGC.Based on these data,how long has it been since these two species diverged? (Hint: Ancestral sequence is AATGCTATGG.)

• A)10 million years
• B)20 million years
• C)40 million years
• D)100 million years

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Definitions:

Intersectionally

An analytical framework for understanding how aspects of a person's social and political identities combine to create different modes of discrimination and privilege.

Racism

A belief or doctrine that inherent differences among the various human racial groups determine cultural or individual achievement, often involving the idea that one's own race is superior and has the right to dominate others or that a particular racial group is inferior to the others.

Segregated Classes

refers to educational settings where students are divided based on various factors like race, ethnicity, or academic ability, potentially leading to unequal educational opportunities.

Segregated Neighborhoods

Areas within cities or towns where living spaces are separated into distinct sections based on racial, ethnic, or social lines, often as a result of historical, social, or economic factors.