What is non-random mating and how does it affect genotype frequencies?

• A. Non-random mating increases heterozygosity within a population.
• B. Non-random mating refers to mate selection based on specific traits, affecting genotype frequencies by increasing homozygosity.
• C. Non-random mating involves random selection of mates and does not affect genotype frequencies.
• D. Non-random mating affects allele frequencies by decreasing genetic diversity.

Answer: (B)