Which of the Following Characteristics of Short Tandem Repeats (STRs)

question 32

Multiple Choice

Which of the following characteristics of short tandem repeats (STRs) DNA makes it useful for DNA fingerprinting?

• A) The number of repeats is highly variable from person to person or animal to animal.
• B) The sequence of DNA that is repeated varies significantly from individual to individual.
• C) The sequence variation is acted upon differently by natural selection in different environments.
• D) Every racial and ethnic group has inherited different short tandem repeats.

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Definitions:

Phenotype

The set of observable characteristics of an individual resulting from the interaction of its genotype with the environment.

Genotype

The underlying combination of genetic material present (but not outwardly visible) in an organism.

Nurture

The process of caring for and encouraging the growth or development of someone or something.

Nature

The phenomena of the physical world collectively, including plants, animals, the landscape, and other features and products of the earth, as opposed to humans or human creations.