What were the genotypes / phenotypes in the Parental generation?

An experimenter crosses two fruit flies with different phenotypes. The results in the F2 generation are:
478 crooked legs, trembling behavior
372 stumpy legs, circling behavior
175 crooked legs, circling behavior
98 stumpy legs, trembling behavior

A. Both parents homozygous / Female phenotype: crooked legs, trembling, Male phenotype: stumpy legs, circling
B. Both parents homozygous / Male phenotype: crooked legs trembling, Female phenotype: stumpy legs, circling
C. Both parents heterozygous / Female phenotype: crooked legs, trembling, Male phenotype: crooked legs, trembling
D. Both parents homozygous / Male or female parental phenotype: crooked legs, trembling, Second parental phenotype: stumpy legs, circling
E. Both parents heterozygous / Both parental phenotypes: crooked legs, trembling


D. Both parents homozygous / Male or female parental phenotype: crooked legs, trembling, Second parental phenotype: stumpy legs, circling

Biology & Microbiology

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