Answers: Mutations

Q3. If a translocation is present in a fertilised egg, all cells of the individual that has developed will carry the translocation. A phenotypically normal man carried a translocation involving chromosomes 1 and 2. Explain why the male is phenotypically normal in spite of carrying the translocation shown.
  • The same genetic information is still present in the cell but in a different position – there has not been a substantial loss of genetic information