what is isolation and the discuss the different type of reproduction isolation
Answers
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Reproductive isolation is defined as the inability of members of one population to breed with members of another population because of innate, genetic factors.
The mechanisms of reproductive isolation are a collection of evolutionary mechanisms, behaviors and physiological processes critical for speciation.
Two major types are- pre-zygotic barriers and post-zygotic barriers.
1. Pre-zygotic barriers: Pre-zygotic barriers are obstacles that are present before an egg can be fertilized. Some examples of pre-zygotic barriers include temporal isolation, ecological isolation, behavioral isolation, and mechanical isolation.
2. Post zygotic barriers: post-zygotic barriers mean the animals mated but no offspring occurred after they did so. It can also mean the offspring is a hybrid and is not viable, sterile or both.