LGMD type 2 is inherited in which pattern?

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Prepare for the Muscular Dystrophy Test with comprehensive flashcards and multiple-choice questions. Access detailed hints and explanations for each question to enhance your study experience. Equip yourself for success on your upcoming exam!

Multiple Choice

LGMD type 2 is inherited in which pattern?

Explanation:
Two mutated alleles in an autosomal gene are needed for LGMD type 2, so it follows autosomal recessive inheritance. This means both parents are usually carriers and unaffected, and an affected child has a 25% chance with each pregnancy if both parents carry a mutation. Males and females are equally affected, and the condition can appear in siblings without appearing in the preceding generation. This pattern contrasts with autosomal dominant forms, where a single mutated copy can cause disease and affected individuals often have an affected parent.

Two mutated alleles in an autosomal gene are needed for LGMD type 2, so it follows autosomal recessive inheritance. This means both parents are usually carriers and unaffected, and an affected child has a 25% chance with each pregnancy if both parents carry a mutation. Males and females are equally affected, and the condition can appear in siblings without appearing in the preceding generation. This pattern contrasts with autosomal dominant forms, where a single mutated copy can cause disease and affected individuals often have an affected parent.

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