A child born to a couple was claimed by another man in the hospital. What is the methodology used to solve the paternity dispute?

2

(a)

Two claimant fathers filed a case against a lady claiming to be the father of her only daughter. How could this case be settled identifying the real biological father?

2

(a)

The police department could obtain a bunch of hair from the gripped hand of a murdered man. There were two persons arrested in this criminal case. How will the forensic department, give a clue to the criminals?

2

(a)

A man with blood group A and his wife blood group B have a son with blood group O, father claim that was not his son. How can the problem be solved?

2

(a)

Give an example of a gene responsible for multiple phenotypic expressions. What are such genes called? State the cause that is responsible for such an effect.

2

(a)