In fruit flies, the allele for vestigial wings is recessive to the allele for normal wings. in a generation of fruit flies, 18 males and 15 females with vestigial wings are produced, and 43 males and 44 females with normal wings are produced. which of the following is the best conclusion you can make about the parents of this generation? both parents were heterozygous for wing type. one parent was heterozygous for wing type and the other was homozygous with normal wings. both parents were homozygous with normal wings. one parent had vestigial wings and the other was heterozygous for wing type.