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Unformatted text preview: of genes: number of recombinants RF = ---------------------------------------- X 100 total progeny The recombination frequency is used directly as an estimate map units (mu) RF for black, curved = (14237/62679) X 100 = 22.7% or 22.7 mu RF for black, purple = 6.1 mu RF for black, speck = 47.6 mu RF for black vestigial = 17.7 mu RF for curved, purple = 19.9 mu RF for curved, speck = 30.2 mu RF for curved, vestigial = 8.2 mu RF for purple, speck = 45.6 mu RF for purple, vestigial = 11.8 mu RF for speck, vestigial = 35.9 mu To draw the map start with the black gene and the lowest map unit value. The gene following the black one on the chromosome is purple (6.1 mu between them). The next one is vestigial (17.7 mu) and so forth. 6.1mu 11.8 mu 8.2 mu 30.2 mu black purple vestigial curved speck...
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This note was uploaded on 06/09/2011 for the course BIOLOGY 2c03 taught by Professor Dej during the Spring '11 term at McMaster University.
- Spring '11