Answer: There will be one homozygous straight wing, two heterozygous straight wings, and one homozygous curly wing.
Explanation: A true breeding pair means that both parents are heterozygous (Ww). Set up a Punnett square with two Ww parents. The offspring will be 1 WW (homozygous straight), 2 Ww (heterozygous straight), and 1 ww (homozygous curly).
Well, we can rule out diffusion and osmosis because these are passive processes, so we're left with A and C. I'd say A, because the energy is used in muscle contraction.
