Answer:
Cystic fibrosis is a genetically transmitted or heriditary disease.
Explanation:
In cystic fibrosis the lungs and the digestive system get effected. It causes the CFTR protein (Cystic Fibrosis Transmembrane conductane Regulator) to become dysfunctional. Due to this dysfunction, chloride become unable to move. for this reason mucus clogs the airways in the lungs which leads to respiratory failure and other complications. The gene responsible of this disease located at the long arm of chromosome number 7. Of all ethnic groups, caucasians have the highest inherited risk of this disease.
Begins to decline and die off, because other organisms are competing for those same resources
Answer:
a. inbreeding
Explanation:
Breeding two closely related species will give offspring with similar characteristics as the parents.
Answer:
Option A is the answer.
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