A certain species of grasshopper can have red stripes, yellow stripes, or red and yellow stripes. An RR grasshopper has red stripes, an YY grasshopper has yellow stripes, and an RY grasshopper has red and yellow stripes.

Question

A certain species of grasshopper can have red stripes, yellow stripes, or red and yellow stripes. An RR grasshopper has red stripes, an YY grasshopper has yellow stripes, and an RY grasshopper has red and yellow stripes.
Which type of inheritance is this an example of?

incomplete dominance
       sex-linked inheritance ---- my answer
       codominance  
       recessive inheritance

PsyDAG · Answer

I don't know about grasshoppers, but with humans, sex-linked genes only occur on the X chromosome.

http://www.biologycorner.com/bio2/genetics/notes_incomplete_dominance.html

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