Crossover events in Drosophilia?

Posted on 2016-03-04 18:50:00 in Biology by ERIN

The genes for miniature wings (m) and garnet eyes (g) are approximately 8 map units apart on chromosome 1 in Drosophila. 

Phenotypically wild-type females (m + g / mg +) were mated to miniature-winged males with garnet eyes. 



Which of the following phenotypic classes reflect offspring that were generated as a result of a crossover event? 
A--miniature wings 
B--miniature wings, garnet eyes 
C--wild type 
D--garnet eyes 

more than one answer can be correct

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