Which vaccine was the first to be tested using transgenic mice?

Today,transgenic models have been developed for many human diseases,which includes
$I$. Rheumatoid arthritis
$II$. Alzheimer's disease
$III$. Cancer
$IV$. Cystic fibrosis
Choose the correct option.

Transgenic animals are those which have foreign

In a process where a somatic cell nucleus from a donor is transferred into an enucleated egg cell to produce an organism,which of the following statements is correct?

$A$ : Dolly was the first mammal to be cloned from an udder cell.
$R$ : To create Dolly,the Finn Dorset ewe,Ian Wilmut and Keith Campbell used aid from three mothers.

Genetic engineering has been successfully used in the production of: