As part of their analysis of intragenic recombination, Melvin Green and Kathleen Green studied lozenge-eyed females with the mutation lz on one X chromosome and the mutation lz on the homologous X chromosome. The lz -bearing X chromosome also carried recessive mutations for cut wing (ct) and vermilion-colored eye (v). These females were mated to cut wing males that had vermilion-colored, lozenge-shaped eyes.

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What are the phenotypes of progeny male flies carrying lz intragenic recombinants? (A double-mutant X chromosome carrying both lz^{{\rm g}} and lz^{46} produces a compound lozenge eye that has a different appearance than either the lz^{{\rm g}} - or lz^{46} -derived eye.)



asked Nov 22, 2012 in Genetics by GeneX ~Top Expert~ (7,933 points)

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answered Nov 22, 2012 by GeneX ~Top Expert~ (7,933 points)

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