Question

In fruit flies the allele for long wings (L) is dominant and the allele for short wings (l) is recessive. What is the likely genotype of a fruit fly with long wings?

Group of answer choices

Either LL or Ll

Either Ll or ll

Only ll

Only LL

Answer 1

Either LL or Ll

Because long wings are dominant (L), a fly with long wings can be homozygous dominant (LL) or heterozygous (Ll). Short wings occur only with ll.