How does non-random mating expose rare recessive alleles?

• A. Non-random mating does not impact the visibility of recessive alleles.
• B. It increases the likelihood of homozygous offspring, revealing recessive alleles that are otherwise masked in heterozygotes.
• C. Non-random mating eliminates recessive alleles entirely.
• D. Non-random mating decreases the frequency of recessive alleles.

Answer: (B)