In Drosophila, the genes for color of body and color of eyes are situated on _______.
1. both the sex chromosomes
2. autosomes 
3. Y-chromosome 
4. X-chromosome 

A low frequency recombination indicates that the genes are: 
1. Located far apart from each other 
2. Located close to each other 
3. Not linked 
4. Present on different chromosomes