ANFS310 Linkage Data Analysis (w:o my data).docx - 1 Stevens Jordyn Stevens ANFS310 Professor Hougentogler 20 March 2019 Linkage Data Analysis

ANFS310 Linkage Data Analysis (w:o my data).docx - 1...

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1 Stevens Jordyn Stevens ANFS310 Professor Hougentogler 20 March 2019 Linkage Data Analysis Drosophila melanogaster In Drosophila melanogaster , each trait (body color, eye color, and wing type) is controlled by one gene with two alleles. These mutations are sex-linked mutations. Mendel’s first law, known as the law of segregation, states that the alleles of a given locus segregate into separate gametes. The alleles follow Mendel’s first law in which they are separating from each other during gamete formation. Mendel’s second law, also known as the law of independent assortment, states that the alleles of one gene sort into the gametes independently of the alleles of another gene. The alleles do follow Mendel’s second law as they do sort independently of each other. Each trait exhibits complete dominance.
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2 Stevens Results Testcross Method Map distance = ( number onerecombinant class )+( number other recombinant class ) totalnumber of progeny x 100 Wing Type & Body Color : Parental Classes: o Long Wing and Tan Body Color: 555 progeny o Vestigal Wing and Black Body Color: 305 progeny Recombinant Classes: o Long Wing and Black Body Color: 116 progeny o Vestigal Wing and Tan Body Color: 135 progeny Map distance = [(116 + 135)/1111] x 100 = 22.6 m.u. Wing Type & Eye Color : Parental Classes: o Long Wing and Red Eyes: 605 progeny o Vestigal Wing and Brown Eyes: 84 progeny Recombinant Classes: o Long Wing and Brown Eyes: 66 progeny o Vestigal Wing and Red Eyes: 356 progeny Map distance = [(66 + 356)/1111] x 100 = 37.98 = 38 m.u.
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  • Summer '19
  • Genetics, Eye color, Jordyn Stevens

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