Which of the following are examples of transgenic organisms?

Most modern breeds of the domestic dog have evolved as a result of

Transgenic animals are produced for which of the following purposes?
$I$. To study the normal physiology and development
$II$. To study diseases
$III$. To obtain useful biological products
$IV$. To test the vaccine safety
$V$. To test the chemical safety
Which of the above statements are correct?

Animals that have had their $DNA$ manipulated to possess and express an extra gene are known as

What are animals called whose $DNA$ has been manipulated to possess and express an extra (foreign) gene?

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.