In the deformed mice, somatic cells but not germ cells were mutated. The original mouse's germ cells were mutated.
Mammalia (mammals) have hair or fur and produce milk
That would be the chloroplast.
Answer:
25% type A, 25% type B, 25% type AB, 25% type O
If you put it into a punnett square:
B O
A AB AO
O BO OO
you get 25% for each phenotype