A person’s biological sex usually refers to their status as female or male depending on their chromosomes, reproductive organs, and other characteristics. Chromosomes are tightly packed DNA, or molecules that contain the genetic instructions for the development and functioning of all living things. Humans typically have forty-six chromosomes. Two of those are sex chromosomes that contain instructions for the development and functioning of characteristics related to biological sex, such as reproductive organs. There are two kinds of human sex chromosomes, X and Y. Individuals identified as males tend to have one X and one Y chromosome, while those identified as females tend to have two X chromosomes. However, other people are born with other chromosome combinations, such as XXY, that lead them to develop a mix of characteristics. People who fit that description are often referred to as intersex, a category for people whose bodies do not conform with stereotypical expectations of males or females at birth.

Taken from here

Evidence seems pretty strong to me.

it is basic biology, ie biology simplified to teach a kid in middle school. the thing is sciences don't stop at middle school level. a lot of university education is about clarifying that things you learned before were simplified to the point that they're practically useless if not outright wrong.

Okay but what is good engagement against "follow the science" aside from "I literally DO the science"? Dr. McCreight offered a point and was met with "nuh uh" so at that point it can hardly be called an argument or debate. Do those fallacies honestly matter at that point when one refuses to engage with tangible points of discussion?

You can even be incorrect on a subject you have expertise in.

Can I interest you in a logical phallus?