A and B are both correct answers, however with the statement of human cloning it does not lead to increased food production through biotechnology, so the only answer would be A
I think the answer is b. wavelength (:
In some cases, skin cancers are hereditary and an increased risk of developing the disease can be passed from parent to child. If members of the same or multiple members being diagnosed the chance it being passed down to your children is higher.
Hope this helps:)