lec 3 Sex linkage_posted - The chromosome theory of...

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The chromosome theory of inheritance - sex linkage Thomas Morgan Alfred Sturtevant Calvin Bridges Herman Muller In the early 1900s many researchers thought genes were in chromosomes, but proof was lacking. What was needed was: - a gene defined by a mutant allele - morphologically distinguishable chromosomes - association of gene and chromosome Drosophila melanogaster Easy to grow and maintain Short generation span numbers!
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