A sexually transmitted disease, symptomized by the development of ulcers on the genitals, is caused by the infection of
The best $HLA$(Human Leucocyte Antigen) match for transplants in order of preference is
An example of gene therapy is
Out of the following diseases which are caused due to bacterial infection?
$a.$ Typhoid
$b.$ Elephantiasis
$c.$ Cholera
$d.$ Tuberculosis
Choose correct one: