| Verified Questions | Unverified Questions | User Rank | Join Date |
|---|---|---|---|
| 13 | 0 | Standard User | Saturday, July 29th, 2017 |
| ID | Category | Type | Difficulty | Question |
|---|---|---|---|---|
| 4693 | Science & Nature | Multiple Choice | Medium | Down Syndrome is usually caused by an extra copy of which chromosome? |