You are studying a population of wild turtles on a remote Pacific island. You have been following the allelic frequencie

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You Are Studying A Population Of Wild Turtles On A Remote Pacific Island You Have Been Following The Allelic Frequencie 1 (114.03 KiB) Viewed 57 times

You are studying a population of wild turtles on a remote Pacific island. You have been following the allelic frequencies at a single two-allele locus 'S', which controls embryonic survival through simple Mendelian inheritance with dominance. The population has been in Hardy-Weinberg equilibrium at this locus for many generations. At Hardy-Weinberg equilibrium, the frequency of the recessive allele Sd is 0.88 The genotypic frequencies at Hardy-Weinberg equilibrium are as follows: f(SDSD) = 0.0144 f(sDsd) = 0.2112 f(sdsd) = 0.7744 An increase in ocean temperature between 2018 and 2019 is thought to have driven the population away from Hardy-Weinberg equilibrium at the S locus. The numbers of sampled offspring by genotype after the 2019 hatch are as follows: SDSD: 200 SDsd: 200 sdsd 40 Calculate the relative fitness (W) values for each genotype (you will need all these values in a subsequent step). a) The relative fitness value for the sdsd genotype is b) The type or form of natural selection that has occurred is Now, calculate all genotypic frequencies in the 2019 offspring (first generation after selection): c) post-selection f(SDsD) = are no units) d) post-selection f(SDsd) = e) post-selection f(Sdsd) = f) The frequency of the Sd recessive allele in the 2019 offspring (first generation after selection) is answer in the exact form '0.xy). (enter your answer as a decimal in the form '0.x"; do not spell out the number as a word; there are no units to include) (use the specific phrase that describes this form of selection completely!). (perform this and the following two calculations (d and e) to four significant figures after the decimal point: enter your answers in the exact form "0.wxyz'; make sure to round off correctly: there (perform the calculation with four significant figures, then round off to 2 significant figures in the final answer enter your