Even if I’ve failed to convince you, thanks for actually trying to understand, unlike most in this thread. The best link I can provide for further reading is probably this peer-reviewed article published by a biologist, Why There Are Exactly Two Sexes. Here’s a few quotes:
Across anisogamous species, the existence of two—and only two—sexes has been a settled matter in modern biology
Here I synthesize evolutionary and developmental evidence to demonstrate that sex is binary (i.e., there are only two sexes) in all anisogamous species and that males and females are defined universally by the type of gamete they have the biological function to produce—not by karyotypes, secondary sexual characteristics, or other correlates.
This commentary advances a simple claim with broad consequences: In anisogamous organisms, the sexes—male and female—are functional classes defined by the type of gamete an individual has the biological function to produce (Bogardus, 2025). Males have the biological function to produce sperm; females have the biological function to produce ova (Parker et al., 1972). That definition is universal across all anisogamous taxa
As I’ve said elsewhere in the thread, nothing I’ve said here is actually a claim that I myself am making. I’m simply stating what the consensus is. Trying to find flaws in that definition is how science works, and it’s healthy to poke at it.
That article seems to counter your above points about using secondary characteristics pretty directly.
As well:
However, the existence of such conditions does not undermine the binary nature of sex, because the sex binary does not entail that every individual can be unambiguously categorized as male or female.
The article counters the claim that everyone can be placed into the binary.
It seems that “sex is a binary” but we have to exclude folks that don’t fit into it. Looks like the meme we’re commenting on is still pretty applicable lol.
So now to me it looks like sex is a binary nested in the larger binary of unambiguous and ambiguous sex. Giving folks 3 places they could end up, one of those places (ambiguous sex) being a spectrum. But thats only if we are going to be super technical. I probably wouldn’t correct someone for seeing that disjointed spectrum as a regular spectrum.
I do love a pedant though. I’m not even joking. For example: the comedian David Mitchell.
It’s been fun taking the time to learn all of this. Thanks for all the links.
Although rare, some individuals have disorders of sex development (also referred to as intersex conditions). Most of these disorders are male or female specific and do not cause ambiguous biological sex. Some individuals have reproductive anatomies with both male and female features; here, biological sex classification is a complex process with input from medical professionals and parents. Not one of these individuals represents an additional sex class.
I think the answer you’re looking for is that ambiguous is being used in the sense of “not immediately obvious, requires further investigation”, not “impossible to know in principle”
Either way, thanks for the conversation (and pedantry!)
Even if I’ve failed to convince you, thanks for actually trying to understand, unlike most in this thread. The best link I can provide for further reading is probably this peer-reviewed article published by a biologist, Why There Are Exactly Two Sexes. Here’s a few quotes:
As I’ve said elsewhere in the thread, nothing I’ve said here is actually a claim that I myself am making. I’m simply stating what the consensus is. Trying to find flaws in that definition is how science works, and it’s healthy to poke at it.
That article seems to counter your above points about using secondary characteristics pretty directly.
As well:
The article counters the claim that everyone can be placed into the binary.
It seems that “sex is a binary” but we have to exclude folks that don’t fit into it. Looks like the meme we’re commenting on is still pretty applicable lol.
So now to me it looks like sex is a binary nested in the larger binary of unambiguous and ambiguous sex. Giving folks 3 places they could end up, one of those places (ambiguous sex) being a spectrum. But thats only if we are going to be super technical. I probably wouldn’t correct someone for seeing that disjointed spectrum as a regular spectrum.
I do love a pedant though. I’m not even joking. For example: the comedian David Mitchell.
It’s been fun taking the time to learn all of this. Thanks for all the links.
Posted another link elsewhere that explains the ambiguous terminology a bit:
https://projectnettie.wordpress.com/
I think the answer you’re looking for is that ambiguous is being used in the sense of “not immediately obvious, requires further investigation”, not “impossible to know in principle”
Either way, thanks for the conversation (and pedantry!)