Hardy-Weinberg equilibrium is an idealized model. Equilibrium is maintained only if five conditions are met. This happens only in the imaginations of biologists, not in real populations. Real populations always deviate from one or more of the conditions, and their gene pools change over time. The Hardy-Weinberg equilibrium is nevertheless a useful standard with which to compare real populations whose gene pools are changing slowly. (This makes it useful in figuring out the frequency of alleles and carriers of genetic diseases, for example.) Imagine a population of 100 annual wildflowers, some red and some yellow. If it is like other real populations, its gene pool is changing. For each of the scenarios below, determine which of the Hardy-Weinberg conditions the population deviates from.
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