A Drosophila melanogaster female with cinnabar eyes and normal wings is crossed to a D. melanogaster male with red eyes and vestigial (small) wings. The F1 are all red-eyed with normal wings
The F1 are allowed to cross with each other, and produce the following offspring.
57 red eyed normal wings
14 red eyes vestigial wings
13 cinnabar eyes normal wings
6 cinnabar eyes vestigial wings
One of the cinnabar eyed vestigial winged females is cross with one of the female F1. The results are as follows.
27 red eyed normal wings
24 red eyes vestigial wings
23 cinnabar eyes normal wings
26 cinnabar eyes vestigial wings
- What genetic system do the results of this cross indicate? How many loci, how many alleles?
- Diagram both crosses and explain the results