Freckles are a dominant trait in humans. both of these girls have lots of freckles. their mother has freckles but their father does not. what is the most likely genotype that produces the two girls' freckles? a) f b) ff c) ff d) ff

The best answer would be C. If freckles is dominant then we can eliminate answer choice D because that is recessive. We can eliminate answer choice A because that isn't even a genotype. We can eliminate answer choice B because the father doesn't have a dominant F only recessive f's. This means that the father cannot give a F, only f's.

The troposphere gets warmer as altitude increases.