Disheveled stimulate activation of the small GTPases Rho and Rac, leading to cytoskeletal rearrangements and cell motility. 

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#Id: 9148

#XL - T Zoology

Nonrandom Mating Affects the Genotypic Frequencies of a Population.

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#XL - T Zoology

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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#XL - T Zoology

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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#Id: 9151

#XL - T Zoology

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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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#Id: 9153

#XL - T Zoology