Genetic Variation: How to Understand Population Diversity
Imagine two plantings exposed to a fungal pathogen. One is propagated from a single susceptible clone; the other contains several heritable resistance variants. If some of those variants reduce infection, their carriers may leave more surviving offspring in the diverse planting. This is a conditiona
Hardy-Weinberg Calculations: Equations and Worked Examples
Here is a question you can answer with a coin. If a population’s gene pool is 70 percent \(A\) and 30 percent \(a\) , and eggs and sperm meet at random, what fraction of the offspring should be heterozygous? You are drawing two alleles at random, so this is the same problem as flipping a weighted co