Tagged Questions
2
votes
1answer
66 views
Macroevolution vs. microevolution
Where is the line usually drawn between macroevolution and microevolution?
I thought that, although similar processes govern both, the line was at the species level, with macroevolution being changes ...
3
votes
1answer
57 views
How might gene clusters like the lac operon evolve?
The obvious answer for a gene cluster is gene duplication and mutation of one or both genes. But the genes in the lac operon seem not be so functionally/structurally similar (as compared to the Hox ...
8
votes
2answers
105 views
What is the Edward O. Wilson fuss about?
I have just read this article on E. O. Wilson and I don't understand what the difference is between what he is arguing and "standard" natural selection.
I read "the extended phenotype" some years ago ...
3
votes
1answer
144 views
Can parents' learned traits be transmitted genetically?
I am wondering whether a behavioral trait (e.g. fear or stress experienced in the lifetime of the parent) can be transmitted genetically to its offspring?
I understand that a behavioral tendency for ...
