Duchenne's muscular dvstrophy-
Ans. is 'b' i.e., X-linked recessive o Duchenne and Becker's muscular dystrophy are X-like recessive,o So expression of gene is essentially confirmed in males.o Females are affected only if X-chromosome carrying the normal allele is lost or inactivated.
X-L inked dominant
X-Linked recessive
Autosomal dominant
Autosomal recessive
Disorders of Muscle and Muscular Dystrophies