lec_1_cond_13

No it is the combination relative to the demands of

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No, it is the combination relative to the demands of the environment. E - Note: This example indicates that Ftness is not an intrinsic characteristic of an organism, but rather a measure of the match between the characteristics of an organism and the prevailing demands of the environment. -To be an effective gene transport machine (not a fying machine, survival machine etc.) Generalized task of the phenotype: To transport as many gene (genome) copies as possible from one generation to the next. -i.e. to be a good gene transport machine 7) In general terms, what is the function of the phenotype? ±itness = The number of genome copies an organism places into the next generation. | F I T N E S S A | 4/10 = 0.4 B | 9/10 = 0.9 C | 8/10 = 0.8 D | 20/10 = 2.0 E | 20/10 = 2.0 D & E will increase in frequency each generation until all other genotypes are eliminated 4) Which phenotypes will ultimately predominate within the population? Why? 3) What is the measure of the biological "success" of a genotype? (Darwinian ±itness = abbreviated ±itness ) ***This is the most important point of the lecture*** 100% genotype-A producing Phenotype = altruist It released an energetically expensive toxin into the air that poisoned competitors in its neighborhood How can altruistic cooperation evolve in species? Do phenotypic traits evolve because they are good for the species or because they are good for individuals within species? Which phenotype will eventually predominate in the species? Which genotype will have highest Ftness (A or C)? Which phenotype is best for the species (altruist or cheater)? Next a mutant genotype-C appears that does not produce the costly toxin but beneFts from the toxin produced by its neighbors (Phenotype = cheater) Suppose that a population of asexual plants was Fxed (100%) for a genotype that produced cooperation against competitors (other species). Usually altruistic cooperation only evolves between close relatives, as we will see later?
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Genes are blueprints used to convert a fertilized egg into a functioning adult organism. Organism are short-lived vessels made and used by long-lived genes to travel through time and space. Organism-based view: Gene-based view: Two ways to view genes and organisms: 4b Neither view is correct or incorrect, but the gene-based view makes it easier to understand some aspects of evolution Some genes in our genome are parasitic transposable elements that do not code for our phenotypes.
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No it is the combination relative to the demands of the...

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