What Accounts for the Different Breeds of Domesticated Dogs

question 28

Multiple Choice

What accounts for the different breeds of domesticated dogs?

• A)overproduction
• B)natural selection
• C)competition
• D)artificial selection

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Definitions:

PCR

Polymerase Chain Reaction, a technique used in molecular biology to amplify segments of DNA for analysis.

Copies

Replicas or duplicates of an original item, such as a document, artwork, or piece of digital data, made through various reproduction techniques.

DNA

Deoxyribonucleic acid, a self-replicating material present in nearly all living organisms as the carrier of genetic information.

Gene Therapy

Correction of a detrimental mutation by the insertion of DNA sequences into the genome of a cell.