TLS Online TPP Program

#Question id: 12487


Neurofibromatosis type 1 is one of the most common autosomal dominant disorders. A woman with neurofibromatosis type 1 has an unaffected partner. Which of the following is correct regarding their children?

#Part-A Aptitude & General Biotechnology
  1. The probability that each of their children will be affected is 1 in 4.
  2. The probability that their second child will be affected if their first child is affected is 1 in 4.
  3. The probability that their third child will be affected if their first two children are affected is 1 in 2.
  4. If their first child is affected then their second child will not be affected.