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
Subtopic:  Sex Linked Recessive Inheritance |
From NCERT
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