| Assertion (A): | X- linked recessive disorders are more common in the males. |
| Reason (R): | Males with a sex chromosome complement, XY, are heterozygous for X-linked recessive disorders. |
| 1. | Both (A) and (R) are True and (R) correctly explains (A) |
| 2. | Both (A) and (R) are True but (R) does not correctly explain (A) |
| 3. | (A) is True, (R) is False |
| 4. | (A) is False, (R) is False |