Question

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

Answer 1

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