Multiple choice

The high frequency of hip dysplasia, epilepsy and immune-system malfunctions in certain species of dog and are mainly consequence of

  1. Heterosis

  2. Ellis-van Creveld syndrome

  3. Consanguineous mating

  4. Random mating
Reveal answer Fill a bubble to check yourself
C Correct answer
Explanation

Consanguineous mating or inbreeding is an extreme form of positive assortative mating. It can result in a variety of homozygous recessive conditions showing up in phenotypes and a subsequent reduction in reproductive potential.

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