Dr Ann Jones

And she's going there.

She's talking about same-sex attraction and genes.

Think about it.

A straight female might have extreme male attraction.

She may, I hate this language, she may mature early and seek male company and therefore have lots of sex, which leads to lots of babies.

And that same set of genes that drives her to love males, in the words of the professor, well, that would be possessed and expressed by males too.

Female humans that had gay male relatives had 1.3 times more children than those whose relatives were batting only between long off and long on.

And, you know, there is also variation in how sex is determined.

It's not always the way that Jenny Graves has predominantly studied with the chromosome action.

Kevin Tether is back.

Yeah, the weather would predict whether you are Elizabeth Lizard or Gavin Gecko.

Probably one of the most well-known is the clownfish, Nemo, where groups are led by a dominant female, and then when she dies, a male is able to assume her role by flipping its sex.

What does that mean then about mammals like us?

Taking into account all the costs of sex that we have just outlined in our report to shareholders, plus the flexibility in sex stocks?

Are the chromosomes that we have right now, the XX and the XY, are they the be-all and end-all?

But it doesn't really seem to.

The Y is an X with a leg cut off.

And the Y is shedding genes.

On our Y chromosomes, that is.

Yes, they do seem to be overly sensitive and emotional about these things.