No, that's not what it is. Let me give an example: Disease X is very bad and strikes around age 30, so it has been selected against and is very rare. Only 1/10,000 people have the gene that causes it. Disease Y is bad,…
No, that's not what it is. Let me give an example: Disease X is very bad and strikes around age 30, so it has been selected against and is very rare. Only 1/10,000 people have the gene that causes it. Disease Y is bad,…