Applying the Hardy-Weinberg Equation for Allele Frequencies

The video tutorial explains the genetic basis of eye color, focusing on dominant and recessive alleles. It introduces the Hardy-Weinberg Equilibrium to calculate allele frequencies in a population, using the example of eye color. The tutorial demonstrates how to determine the frequency of dominant and recessive alleles and their corresponding genotypes. It also highlights the practical applications of these calculations in understanding genetic diseases and carrier status in populations.

What is the dominant variant for eye color in the given example?

• Lowercase a

• Capital A

• Capital B

• Lowercase b

According to the Hardy-Weinberg Equilibrium, what is the sum of the frequencies of the dominant and recessive alleles?

• 0.5

• 1

• 2

• 0.75

If 9% of a population has blue eyes, what is the frequency of the recessive allele (q)?

• 0.09

• 0.49

• 0.3

• 0.7

What is the frequency of the dominant allele (p) if the frequency of the recessive allele (q) is 0.3?

• 0.7

• 0.49

• 0.21

• 0.3

What is the genotype of an individual with blue eyes in the given example?

• Bb

• BB

• bb

• bB

If 30% of the alleles in a population are recessive, what percentage of the alleles are dominant?

• 20%

• 50%

• 70%

• 30%

What percentage of the population is expected to be homozygous dominant (BB) if p = 0.7?

• 42%

• 49%

• 9%

• 30%

What is the expected percentage of heterozygous individuals (Bb) in the population if p = 0.7 and q = 0.3?

• 30%

• 42%

• 9%

• 49%

What is the sum of the genotype frequencies in a population according to the Hardy-Weinberg principle?

• 1

• 0.75

• 0.5

• 2

How can the Hardy-Weinberg principle be useful in real life?

• To calculate the speed of light

• To determine the color of eyes in a population

• To predict the weather

• To understand the frequency of genetic diseases