"A"
The answer option "A" is the only legitimate answer backed by solid proof. it does not make ridiculous statements or proves a ridiculous point like the others. There is no way the other answer options have such causes and effects, and are highly contraindication, and i would always highly recommend getting knowing your family history as genes play a lot in healthcare.
A biologic drug (biologics) is a product that is produced from living organisms or contain components of living organisms. They include a wide variety of products derived from human, animal, or microorganisms by using biotechnology.
can you show us the story?
and explain what you mean please
What families? U have to show the full question