## Questions and Answers

In the Hardy-Weinberg equilibrium equation $p^2 + 2pq + q^2 = 1$, what does 'p' represent?

Frequency of the dominant allele in the population

What is the frequency of the recessive allele 'q' in Pop 2?

0.125

In a population with complete dominance, if the frequency of the recessive allele (q) is 0.0071, what is the heterozygous genotype frequency?

0.0142

In a population, if the frequencies of dominant genotypes (D) and heterozygous genotypes (H) are 26 and 12 respectively, what is the value of 'p'?

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$H^2 = 4DR$, if $D=0.04$ and $R=0.64$, what is the value of $H^2$?

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In the Hardy-Weinberg equilibrium equation $p^2 + 2pq + q^2 = 1$, what does 'q' represent?

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If the frequency of the recessive allele (q) in a population is 0.0071, what is the frequency of the dominant allele (p)?

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$H^2 = 4DR$, if $D=0.04$ and $R=0.64$, what is the value of $H^2$?

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If the frequencies of dominant genotypes (D) and heterozygous genotypes (H) are 26 and 12 respectively in a population, what is the value of 'p'?

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$Q= rac{ ext{χ}^2}{N}$, if χ²=0.32 and N=40, what is the value of Q?

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## Study Notes

### Hardy-Weinberg Equilibrium Equation

- The equation is: $p^2 + 2pq + q^2 = 1$
- 'p' represents the frequency of the dominant allele
- 'q' represents the frequency of the recessive allele

### Frequency of Alleles and Genotypes

- If the frequency of the recessive allele (q) is 0.0071, the frequency of the dominant allele (p) is $\sqrt{1 - 0.0071^2}$
- In a population with complete dominance, if the frequency of the recessive allele (q) is 0.0071, the heterozygous genotype frequency is $2pq = 2 \times p \times 0.0071$
- If the frequencies of dominant genotypes (D) and heterozygous genotypes (H) are 26 and 12 respectively, the value of 'p' can be calculated using the equation: $D = p^2$, where $p^2 = 26$

### H^2 Equation

- The equation is: $H^2 = 4DR$
- If $D = 0.04$ and $R = 0.64$, the value of $H^2$ is $4 \times 0.04 \times 0.64 = 0.1024$

### Q Equation

- The equation is: $Q = \frac{χ^2}{N}$
- If χ² = 0.32 and N = 40, the value of Q is $\frac{0.32}{40} = 0.008$

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## Description

Test your understanding of the Hardy-Weinberg law and calculations of allele frequencies through sample calculations. Explore concepts such as genotype frequencies, incomplete dominance, and population genetics.