Conversation between two apes explained

My chimp/chump story from last week is a simplified example of how one ape species split into two.  This splitting is called speciation.  The apes in the story are members of the species that was the most recent common ancestor of humans and chimpanzees (and bonobos.)

Let’s pause for one of the digressions I like to [...]

Genetics of Viking Metal, part 2 – Mitochondria

I know you are dying to find out what Viking metal could possibly be, but we have to cover something else first. I am not making this up.
My previous post explained that DNA on the male-only Y chromosome is not as mixed around from generation to generation as DNA on the other chromosomes. I also [...]

Genetics of Viking Metal, Part 1

…or Mommy, where did Finntroll come from?
Everybody knows Vikings are cool—cooler than pirates, maybe—but I doubt that many people outside the underground metal scene know much about Viking metal. I’ll get into that soon, but first we need to talk about Vikings. We are going to use genetics to trace humankind’s prehistoric route from Africa [...]