A student investigated the genetic inheritance of characteristics in fruit flies (Drosophila).
| Characteristic | Observed Phenotypes |
|---|---|
| Wing length | Long, Short |
| Body colour | Grey, Black |
The allele for long wings is dominant. The allele for short wings is only expressed when two copies are present in the genotype.
Which term describes the allele for short wings?
Heterozygous
Homozygous
Gamete
Recessive