Here is the question again with more info?

when lon-fruited melon plants are crossed with round-fruited melon plants the F1 melons are oval explain why and if the oval-fruited melon plants are crossed to produce an F2 generation draw a punnett square showing the gametes produced by the F1 plants and the genotypes expected in the F2 generatin and what phenotypic ratio is expected in the F2 generation