LIFESCI 15 Midterm: Midterm review pdf
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6 short answer questions, 20 multiple choice. Give an example. (evolution is a change in the allele frequencies in a population. It can occur by either 1. natural selection 2. migration 3. mutation 4. random genetic drift. Would it work for number of limbs in humans, political party af liation and which language you speak? (arti cial selection is natural selection. Sexual selection is a subset of natural selection which is a subset of evolution. Peacocks - sexual selection is not based on reason / practicality which can harm survival but increase reproductive success. It is not a process leading to increased survival. ) How does the slope describe the relationship between phenotypes and genotypes? (de ne reaction norm. Say that it is generally shown on an axis. Plot one genotype and imagine 100 instance possible. Steep (intelligence) - different environments can give variety of phenotypes, at (eye colour) - similar phenotypes)
