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Multiple Choice
Which phrase is the best definition of a gene?
A
Any region of DNA that is transcribed into mRNA, regardless of whether it produces a functional product
B
A protein that catalyzes DNA replication and is inherited from parents to offspring
C
A segment of DNA that encodes a functional product (such as a protein or a functional RNA) and includes associated regulatory sequences needed for its expression
D
A specific location on a chromosome that always determines a single trait in a one-to-one manner