Examlex
Taxpayers filing single and taxpayers filing married separate have the same basic standard deduction amount.
Synonymous Substitution Rate
The rate at which point mutations occur in a DNA sequence that do not alter the encoded amino acid due to the redundancy of the genetic code.
Purifying Selection
Removes deleterious alleles from a population. It is a common form of stabilizing selection.
Molecular Clock Estimates
Techniques that use the rate of molecular change to deduce the time in geological history when two species or other taxa diverged.
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