D. very difficult to study since it takes so long
Question 2 of 10
1.0/ 1.0 Points
At a family get-together, your uncle says “I don’t believe in that evolution stuff. Scientists are always
saying that something evolved because of ‘a gene for eyes’ or ‘a gene for wings’. Well, that’s crazy –
how can one single gene build an eye or a wing?”
How do you reply?