Double-stranded RNA is the answer to this question that you have asked
Answer: base substitutions, deletions and insertions
A gene pool is a collection of all the genes in a population. This can be any population - frogs in a pond, trees in a forest, or people in a town.
The conclusion that can be drawn from the last statement is that ALL THE ANIMALS LISTED ABOVE ARE HYBRID ANIMALS.
Hybrid animals are those animals that are produce from the interbreeding of two animals that are of different species but which come from the same genus. Hybrid animals can not produce fertile offspring because they do not possess viable sex cells, that is, they do not have the capacity to reproduce sperms or eggs.
