BIOL 1002 Lecture : Notes All
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If traits do not occur through mutation or already exist, they will not come in effect: mechanism behind natural selection, figure on pg. 23 - the evolution of populations: the smallest unit of evolution. In sexually reproducing organisms, sexual recombination produces most of the variability in each generation: crossing over during prophase i. Ie: flower color in pea plants: quantitative characters: vary along a continuum within a population, usually determined by several genes. Ie: height, weights: evolutionary fitness, fitness: the contribution an individual makes to the gene pool of the next generation, relative to the contributions of other individuals, size, tom, 6"3", dick, harry, 5"10 185, 5"5 125. 200lbs lbs: 3, 4, children, grandchildren, comments, 5, 2, don. 9:58 am: friday, january 25, 2008, ch. Plant species b has a diploid of 16. A new species, c, arises as an allopolyploid from a and b.
