Which of the following would be considered a beneficial genetic alteration?

A. many current Europeans have a gene for bubonic plague resistance.

B. people from Africa descent have higher amounts of melanin increasing resistance to skin cancer.

C. peppered moths changed from gray to black during the industrial revolution in England.

D. all of the above

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31 May, 11:19

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Cristian Lyons · Answer 1

D. all of the above because all of these answers have a beneficial impact on the survival of the species.