Answer:
46 chromosomes
or 23 pair of chromosomes but as u asked single it will be 46 chromosomes
I believe that it is a reverse fault
Dolly was a female fin Dorset sheep,
Although it has been claimed that dolly had 3 mothers. one provided the egg, another the DNA, and a third carried the cloned embryo to term.
So therefore, dolly has the genes of different species of sheeps.
Hope this helped!