[js1138]

This hypothesis SEVERELY underestimates how complicated and detrimental such a process would be, especially when the duplicated genes are so similar to the original gene that they would interfere with the original fiunctions even htough they were ‘dormant’ so to speak.

There are humans walking around with hundreds of copies of some genes, while other humans have only one or a few copies.

[CottShop]

[[There are humans walking around with hundreds of copies of some genes, while other humans have only one or a few copies.]]

Not with hte structural changes that would be needed to evolve soemthing like blood clotting supposedly involved