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Biology, 18.07.2019 19:00 meababy2009ow9ewa

The gene for cystic fibrosis is a recessive trait. this disorder causes the body cells to secrste large amounts of mucus that can damage the lungs, liver, and pancreas. if one out of 20 people is a carrier of this disorder, why is only one out of 1,600 babies born with cystic fibrosis?

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