Which was the first successful cloned animal that gained worldwide fame?

Assertion: Animals that have had their $\text{DNA}$ manipulated to possess and express an extra (foreign) gene are known as transgenic animals.
Reason: Transgenic animals are made that carry genes which make them less sensitive to toxic substances than non-transgenic animals.

The first transgenic cow was developed in the year:

Choose the correct statement with reference to 'Dolly':

What is genetic engineering useful for producing?

Which transgenic animals have been created by scientists in the highest numbers?