Nachman & Crowell (2000) give an estimate of the overall mutation rate in humans. use the data to calculate
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Given a 10% per site mutation rate, how many sites do you predict will have a mutation? Show your calculations or provide support for your response. The average mutation rate was estimated to be approximately 2.5 x 10^-8 mutations per nucleotide site or 175 mutations per diploid genome per generation. As the rate of mutation is increase in parents that will reflected in progeny the offspring will have some defects in body plan. Acquired mutations in somatic cells (cells other than sperm and egg cells) cannot be passed to the next generation but if mutation in germ cell it pass into next generation. The source of genetic variation in a population is mutation. Mutation rates in humans have been estimated to be on the order of 10^-4 to 10^-4 per gene per generation. How many mutated sites did you observe your Avidian's offspring to actually have?
Adi S.
Given a population size of 100,000,000 (108) and a mutation rate of 0.001% calculate the number of expected mutants. Under what circumstances will these mutations increase in the population? Decrease? Remain constant?
Nicholas M.
A recent study examining the mutation rates of 5669 mammalian genes (17,208 sequences) indicates that, contrary to popular belief, mutation rates among lineages with vastly different generation lengths and physiological attributes are remarkably constant [Kumar, S., and Subramanian, S. (2002). Proc. Natl. Acad. Sci. USA 99:803–808]. The average rate is estimated at 12.2 * 10^-9 per bp per year. What is the significance of this finding in terms of mammalian evolution?
Sri K.
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