fly lab - 9 The Stubble marker gene is independently...

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Connor Gildea Biology Lab 100 November 26, 2007 FLY LAB 1) 112 2) Cy 3) See Attached 4) Cy cross genotype a) White: ee Red: EE or Ee b) Straight: ww Curly: WW or Ww Sb cross genotype a) White: ee Red: EE or Ee b) Stubble: hh Long: HH or Hh 5) 6) 7) It was determined that when Cy gets crossed it produces two phenotype, Curly/White and Straight/Red.
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8) The Curly marker gene was segregating our unknown eye color gene. These two genes are linked on the X chromosome and thus assort dependently. This is proven by the existence of only 2 phenotypes in the Cy cross.
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Unformatted text preview: 9) The Stubble marker gene is independently assorting out unknown eye color gene. This is proven by the existence of the four different phenotypes. 10) Our unknown eye gene was located on the X chromosome. This was proven because the only possible way to obtain offspring with two different phenotypes while using homozygous recessive and heterozygous crosses would be to have the eye color gene located on the X chromosome...
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This note was uploaded on 04/07/2008 for the course SCIENCE 100 taught by Professor Peterson during the Fall '08 term at UMass (Amherst).

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fly lab - 9 The Stubble marker gene is independently...

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