Why do some viruses cause tumors in baby animals but not in

Why do some viruses cause tumors in baby animals but not in adult animals of the same species?

a. Baby animals do not have as many mutations in their genomes as adult animals.

b. Baby animals have immature immune systems compared to adult animals.

c. Baby animals have immature organs that are not resistant to virus infection as are adult organs

Solution

Option B is suitable answer. Because baby animals do not have well developed immune system as like the adult organisms.so many viruses cause tumors in baby animals.