Drosophila Cross? (scarlet + brown = white eyes)

James Ford dp248 at freenet.carleton.ca
Sun Mar 21 12:48:30 EST 1999

Could anyone give me a simple explaination  why when scarlet + brown
recessive alleles are homozygous in a fruit fly, that the fruit fly will
then be white eyed.

Is it because of codominance? How exactly?

An e-mail would be appreciated.

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