In the deformed mice, somatic cells but not germ cells were mutated. The original mouse's germ cells were mutated.
A cellular membrane separates the interior of all cells from the outside environment.
What are you trying to ask?
So,
There is a scientific consensus that life exists on other planets
and
The scientists only studied one meteorite
The first one because the other ones don't make sense, and because it is a scientific consensus. The latter because they only studied one, and imagine if they studied other ones...
