Which type of disease causes abnormalities from birth, owing to gene mutation and also leads to colour blindness, Down's syndrome, cleft lip or palate?

Q16. Consider the following statements about Measles-Rubella (MR) vaccination.

1. Rubella is a mild viral infection that occurs most often in children and young adults.

2. Rubella infection during pregnancy can cause abortion, stillbirth and may lead to multiple birth defects in the newborn; like blindness, deafness, heart defects; known as Congenital Rubella Syndrome (CRS).

3. India accounts for one-third of all children born worldwide with congenital rubella syndrome (CRS).

Which of the above statements are correct?

1. 
   1 only
2. 
   2 only
3. 
   Both 1 and 2
4. 
   Neither 1 Nor 2

Congenital diseases are present since birth