Population Genetics and Hardy-Weinberg

The video tutorial explains a population genetics problem involving sickle-cell anemia in a village of 1,000 people. Using the Hardy-Weinberg formula, the tutorial demonstrates how to calculate the frequencies of alleles and genotypes. It covers the steps to find the frequency of the recessive allele, the dominant allele, and the three genotypes. The video concludes by answering specific questions about allele frequencies and the number of carriers in the population.

What is the main genetic disorder discussed in the video?

• Cystic Fibrosis

• Huntington's Disease

• Hemophilia

• Sickle-Cell Anemia

Which formula is used to solve the population genetics problem in the video?

• Law of Independent Assortment

• Punnett Square

• Hardy-Weinberg Formula

• Mendel's Law

In the Hardy-Weinberg formula, what does 'P squared' represent?

• Homozygous dominant genotype

• Frequency of recessive allele

• Heterozygous genotype

• Homozygous recessive genotype

What is the frequency of the recessive allele in the village?

• 0.47

• 0.316

• 0.684

• 0.43

How is the frequency of the dominant allele calculated?

• By dividing the frequency of the recessive allele by 2

• By multiplying the frequency of the recessive allele by 2

• By subtracting the frequency of the recessive allele from 1

• By adding the frequency of the recessive allele

What is the frequency of the homozygous dominant genotype?

• 0.43

• 0.47

• 0.1

• 0.316

What percentage of the population are carriers of the sickle-cell allele?

• 10%

• 43%

• 47%

• 68.4%

How many people in the village are carriers of the sickle-cell allele?

• 100

• 430

• 316

• 684

What is the frequency of the normal allele in the population?

• 0.316

• 0.684

• 0.47

• 0.43

What is the percentage of the normal allele in the population?

• 47%

• 68.4%

• 31.6%

• 43%