Why do scientists use the Hardy-Weinberg equation?
A - To study the genotypic frequency in a genetic cross
B - To study the genotypic frequency in a population
C - To study the number of alleles associated with a gene
D - To study the phenotypic ratios in a dihybrid cross
Answer: B - To study the genotypic frequency in a population
The equation can tell you whether or not an evolutionary agent is affecting a population, the allele frequency in a population should not change if there is no evolutionary agents.