First, thank you for sharing something so personal — navigating this alongside your son takes real strength. These are great questions that many myMDteam members have asked too.
A carrier has one copy of the mutated gene and one healthy copy. The healthy copy acts as a "backup," which is why most carriers don't experience Show Full Answer
First, thank you for sharing something so personal — navigating this alongside your son takes real strength. These are great questions that many myMDteam members have asked too.
A carrier has one copy of the mutated gene and one healthy copy. The healthy copy acts as a "backup," which is why most carriers don't experience symptoms. They can, however, pass the mutation on to their children.
A manifesting carrier is someone who carries the mutation but also develops some symptoms, such as:
- Muscle weakness
- Heart complications (cardiomyopathy)
- Breathing difficulties
These symptoms are usually milder than those experienced by males with the condition. To answer your second question — yes, a carrier can become a manifesting carrier. Symptoms may not appear until the teens or even early adulthood, so it's something worth monitoring over time.
Since you share the same genetic makeup as your son, it's really important to stay in close contact with your doctor. Regular heart and muscle monitoring would be especially worthwhile, even if you feel completely fine right now.
A genetic counselor can also be a valuable resource to help you understand what this means for your health and your family going forward.
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