genetics_xlinked

genetics_xlinked - Name _ Genetics: X Linked Genes In fruit...

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Name _____________________________ Genetics: X Linked Genes In fruit flies, eye color is a sex linked trait. Red is dominant to white. 1. What are the sexes and eye colors of flies with the following genotypes: X R X r _________________ X R Y _________________ X R X R _________________ X r Y _________________ 2. What are the genotypes of these flies: white eyed, male ____________ red eyed female (heterozygous) ________ white eyed, female ___________ red eyed, male ___________ 3. Show the cross of a white eyed female X r X r with a red-eyed male X R Y . 4. Show a cross between a pure red eyed female and a white eyed male. What are the genotypes of the parents: ___________& _______________ How many are: white eyed, male___ white eyed, female ___ red eyed, male ____ red eyed, female ____ 5. Show the cross of a red eyed female (heterozygous) and a red eyed male. What are the genotypes of the parents? ___________ & ________________ How many are:
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genetics_xlinked - Name _ Genetics: X Linked Genes In fruit...

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