Nucleation phase 

Two G-actin molecules bind relatively weakly to each other, but addition of a third actin monomer to form a trimer makes the entire group more stable, acts as a nucleus for polymerization.

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Nonrandom Mating Affects the Genotypic Frequencies of a Population.

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Nonrandom Mating - Nonrandom mating are two type,

1. Positive assortative mating - Like individuals to mate.

2. Negative assortative mating - Unlike individuals to mate

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Positive assortative mating refers to a tendency for like individuals to mate. For example, humans exhibit positive assortative mating for height.

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#Section 3: Genetics, Cellular and Molecular Biology

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#Section 3: Genetics, Cellular and Molecular Biology

Inbreeding

Preferential mating between related individuals.

Inbreeding is more likely to take place in nature when population size becomes very small, and the number of mates is limited.

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#Section 3: Genetics, Cellular and Molecular Biology