BIOB51H3 Lecture Notes - Lecture 4: Soay Sheep, Chromosomal Rearrangement, Genetic Linkage
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4 Jul 2017
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Readings chapter 5 and 6 to page 217. A unit of heredity that is transferred from a parent to offspring and is held to determine some characteristic of the offspring. A distinct sequence of nucleotides forming part of a chromosome, the order of which determines the order of monomers in a polypeptide or nucleic acid molecule which a cell (or virus) may synthesize. Dna damage (heat, radiation, chemicals) dna repair. Dna is inside of chromosomes and when they break, repair occurs but the genes in them get shuffled around. Inversion is a chromosomal rearrangement in which the chromosome is broken twice and flipped 180 degrees then rejoined. The loops in these drosophilia polytene chromosomes reveal the breakpoints of the inversions. The distribution of m and s forms of. Anopheles gambiae are different and they are distributed in different parts of africa.
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