Q. Down's Syndrome is caused by an extra copy of chromosome number 21. What percent age of off spring produced by an affected mother and a normal father? AIPMT - 2003 (Solved)
1. 100%
2. 75%
3. 50%
4. 25%
5. cessive
- d. 25%
1. 100%
2. 75%
3. 50%
4. 25%
5. cessive