Biology, 18.12.2019 22:31 mckenzeebrown1578
In drosophila, the red-eye allele for eye color exhibits complete dominance over the recessive white-eye allele. in some of thomas hunt morgan's initial experiments, he crossed red-eyed female flies with white-eyed males. when morgan crossed the f1 red-eyed heterozygous females with red-eyed males, he found that half of the male progeny were white-eyed. what is the most likely explanation of this result?
1. the gene responsible for eye color is on the y chromosome.
2. the gene responsible for eye color is on the x chromosome.
3. the gene responsible for eye color is on an autosome.
4. chemical factors secreted by males changed the color of the eye.
5. chemical factors secreted by males mutated the eye color gene.
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