Which one the following factors does not affect the Hardy-Weinberg law of genetic equilibrium ?

Options

A. Natural selection
B. Genetic drift
C. Random mating
D. Recombination

Answer

To solve the question regarding which factor does not affect the Hardy-Weinberg law of genetic equilibrium, we can follow these steps:

### Step 1: Understand the Hardy-Weinberg Principle
The Hardy-Weinberg principle states that allele and genotype frequencies in a population will remain constant from generation to generation in the absence of other evolutionary influences. This principle is based on five assumptions: no mutations, random mating, no natural selection, extremely large population size (no genetic drift), and no gene flow (migration).

### Step 2: Identify the Factors Affecting Genetic Equilibrium
From the video transcript, we can identify several factors that disturb the Hardy-Weinberg equilibrium:
- **Natural Selection**: It changes allele frequencies based on the survival of the fittest.
- **Genetic Drift**: Random events can change allele frequencies, especially in small populations.
- **Recombination**: This occurs during sexual reproduction and can introduce new allele combinations, affecting frequencies.

### Step 3: Identify the Factor that Maintains Equilibrium
The video mentions that **random mating** is a factor that does not disturb the Hardy-Weinberg equilibrium. Random mating ensures that all individuals have an equal chance of mating with each other, which helps maintain the allele frequencies.

### Step 4: Conclusion
Thus, the factor that does not affect the Hardy-Weinberg law of genetic equilibrium is **random mating**.

### Final Answer
**Random Mating** does not affect the Hardy-Weinberg law of genetic equilibrium.

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