Please help me?

WHen a gray body female fruit flies are crossed with yellow-bodied male fruit flies the result of f1 generation is gray.

When the reciprocal of the cross(yellow females x gray males) is performed the f1 females are again gray... explain these results: include punnett square show gametes produced by parents and the genotypes expected in the f1 generation for each of these crosses......please help i confused

Please help me?performing shows

in the first case the female is homozygous gray on the x chromosome

X^G X^G crossed with a yellow male X^g Y

offspring are X^G X^g or X^G Y in the second cross the female is X^g X^g and the male is X^G Y he can only give X^G to his female offspring and hence all tahe female flies will be grey in color but the males will be yellow.