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One may then define the generation time as the time it takes for the population to increase by a factor of . For example, in microbiology , a population of cells undergoing exponential growth by mitosis replaces each cell by two daughter cells, so that R 0 = 2 {\displaystyle \textstyle R_{0}=2} and T {\displaystyle T} is the population doubling ...
The doubling time is the time it takes for a population to double in size/value. It is applied to population growth , inflation , resource extraction , consumption of goods, compound interest , the volume of malignant tumours , and many other things that tend to grow over time.
The effective population size (N e) is the size of an idealised population that would experience the same rate of genetic drift as the real population. The effective population size is normally smaller than the census population size N, partly because chance events prevent some individuals from breeding, and partly due to background selection and genetic hitchhiking.
"My generation is going to have a harder time than boomers. Boomers, they had pensions," Don tells Fortune . But "all you can do when you get knocked off your feet is get back up and dust off."
The period life table represents mortality rates during a specific time period for a certain population. A cohort life table, often referred to as a generation life table, is used to represent the overall mortality rates of a certain population's entire lifetime. They must have had to be born during the same specific time interval.
The growth constant k is the frequency (number of times per unit time) of growing by a factor e; in finance it is also called the logarithmic return, continuously compounded return, or force of interest. The e-folding time τ is the time it takes to grow by a factor e. The doubling time T is the time it takes to double.
The rate of nucleotide substitution is highly variable among genes and gene regions, and is defined as the number of substitutions per site per year with the calculation for mean rate of substitution given as: r = K / 2T (K is the number of substitutions between two homologous sequences and T is the time of divergence between the sequences). [1]
Calculating your net worth is straightforward. First, you add up all of your assets -- your checking account, your retirement savings, your home. From that, you subtract all your liabilities ...