The human protein obtained from transgenic animals used to treat emphysema is

Choose the correct statement with reference to 'Dolly':

Rosie is . . . . . . .

Which of the following animals are the most common transgenic animals?

Consider the following statements:
$I$. Transgenic animals are more sensitive to toxic substances than non-transgenic animals.
$II$. Useful biological products can be produced by introducing into transgenic animals the portion of $DNA$ which codes for a particular product.
$III$. Brazzein is a protein produced by a West African plant,$Pentadiplandra$ $brazzeana$,which is approximately $2000$ times as sweet as sugar.
Which of the statements given above are correct?

Choose the correct statement with reference to "Dolly".