BIO120H1 Lecture Notes - Lecture 4: Blending Inheritance, Gene Duplication, Mendelian Inheritance

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29 Jan 2018
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BIO120H1 Full Course Notes
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BIO120H1 Full Course Notes
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Selection is ecology, the other 2 are genetics. Genes code for protein and proteins are put together to make organisms. Genetic varioation mostly comes from mutation. its the ultimate source of genetic variation. Genetic variation arises thru mutation, but is shuffled around in recombination, gene flow and hybridization. Any genetic variation in any species results from sex and recombination. One genome for an individual is special to that one individual, it will never mimic itself again. Evo devo is the study of evolution development. Jumping genes detatch from the genome and move to another place. The mutant flower may be lost due to genetic drift (random processes). Maybe it is good at attracting pollinators, maybe the mutant has a fitness advantage, and this variant starts to spread. It could be an allele with an evolutionary advantage. Although pollinators are choosy, and it may just die off. Not all ganes have the same mutation rate.