Is cross breeding of species part of evolution or seperate from it.?

My thoughts were on how cross breeding of species added to development of species. Most cross bred species like the mule for example are sterile. On investigating though 60 females mules have produced there own offspring and possibly 1 male. 60 reproductive females could easily start a new species with the right conditions. Would this be consider part of evolution and how much of it has effected evolution.

2009-10-23T13:19:04Z

Actually google it myself. Yes there are hybrids (cross breed species) in nature. The most resent is a Fly that found a unique niche to survive in the US. And a polar grizzly bear in Northern Hemispere. Also a breed of Fish. In capture it happens frequently. Answers was no real help you pick the best wrong answer.

Anonymous2009-10-23T08:50:38Z

Favorite Answer

No. Different species cannot produce fertile hybrids. They must be varients of the same species on a similar level as dogs (which have the most variation within a single species due to artificial selection).

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Anonymous2009-10-23T17:13:51Z

No, cross breeding has not resulted in the formation of new species. By definition, different species cannot breed to make fertile offspring (if they could, they would be the same species).

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Free Range Lettuce2009-10-23T15:26:08Z

It's never a good idea. For example, CatDog. All they did was fight.

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