In general, a "model organism" used in genetics studies is one in which there is a large body of genetic knowledge that has been compiled over decades of genetic research. in addition, model organisms have available their dna sequences and collections of that make detailed genetic analysis possible and efficient.

"Strains with specific mutations "

Explanation:

In general, a "model organism" used in genetics studies is one in which there is a large body of genetic knowledge that has been compiled over decades of genetic research. In addition, model organisms have available their DNA sequences and collections of _strains with specific mutations that make detailed genetic analysis possible and efficient.

d they all are treatable but they never completely go away