In fruit flies, straight wings are dominant and curly wings are recessive. what will the generations look like? assume that mendel’s method of crossing two true breeding parents with opposite traits is followed. check all that apply. the p generation has all straight wings. the p generation has straight wings and curly wings. the f1 generation has all straight wings. the f1 generation has all curly wings. the f1 generation has straight wings and curly wings. the f2 generation has all straight wings. the f2 generation has straight wings and curly wings.