Enumerate three most characteristic criteria for designating a Mendelian population.

Explanation

To designate a Mendelian population, three characteristic criteria must be met:

1. **Population Size**: The population must be sufficiently large. A small population can lead to genetic drift, which can affect the allele frequencies and disrupt the expected Mendelian ratios.

2. **Potential for Free Flow of Genetic Material**: The population must have the potential for free flow of genetic material, which typically occurs through sexual reproduction. This means that individuals within the population can interbreed and exchange genes, maintaining genetic diversity.

3. **Migration**: Migration into or out of the population should be either nil or negligible. If migration occurs, it can introduce new alleles or remove existing ones, which can alter the genetic structure of the population and affect the Mendelian inheritance patterns.

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