Hello.
The answer is Probability
Genetics experiments on the breeding of plants or animals are based on the laws of probability. They are based on the laws of segregation. Probability will determine what you are likely to get though.
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It would be called a mutation
<span>4. Species
</span><span>Allopatric speciation is were a single species has been separated so long they have both evolved slightly in different "directions" that prevent them from breeding after being reintroduced.</span>