Re: VFLW Rd 5: Carlton vs Darebin Falcons
Reply #14 –
That’s not entirely true LP. I have excavated several burials where it was not possible to confidently identify the sex of the individual. Gracile male skeletons are often misidentified as female and robust female skeletons are misidentified as male. However, I would imagine that Mouncey’s skeletal attributes would indicate male.
As for DNA:
Biological phenomena don't necessarily fit into human-ordained binary categories. So while humans insist that you're either male or female – that you have either XY or XX sex chromosomes – biology begs to differ.
For example, genetic men with Klinefelter syndrome possess an extra X chromosome (XXY) or more rarely, two or three extra Xs (XXXY, XXXXY); they typically produce low levels of testosterone, leading to less-developed masculine sexual characteristics and more-developed feminine characteristics than other men. In contrast, some men receive an extra Y chromosome (XYY) in the genetic lottery, and while they have been referred to as "supermales" that is more sensationalism than science.
Genetic women with Turner syndrome have only one X chromosome; they often display less-developed female sexual characteristics than other women. And people with a genetic mosaic possess XX chromosomes in some cells and XY in others. So how do we determine if they're male or female? Hint: Don't say that it depends on the chromosomal makeup of the majority of their cells, since women with more than 90 per cent XY genetic material have given birth.
Even if you get the "right" combination of sex chromosomes, it's no guarantee that you'll fit into the carefully circumscribed human definitions of male and female.
For example, genetic women (XX) with congenital adrenal hyperplasia produced unusually high levels of virilizing hormones in utero and develop stereotypically masculine sexual characteristics, including masculinized genitals.
It’s not quite as clear cut as some folk may think ...