Q1. In a population that has been mating randomly for many generations, two phenotypes are segregating; one is by reason of the dominant allele D, and the other to a recessive allele d. The frequencies of the dominant and recessive phenotypes are 0.7975 and 0.2025, respectively. Find out both the allelic frequencies and the genotypic frequencies.

Q2. A 68-year-old client was admitted to the hospital medical floor with a diagnosis of chronic bronchitis. His wife asks the nurse why his skin looks blue. How would you describe cyanosis to the client and his wife?