Can someone answer a nagging question i have about CRT?
Edit: this question has been answered now. Thank you to everyone who took the time to help me understand.
the premise that race is not a natural, biologically grounded feature of physically distinct subgroups of human beings but a socially constructed (culturally invented) category that is used to oppress and exploit people of colour.
Okay... But we can take a DNA test and get our ancestry, telling us what percentage of what races make up our overall ethnicity. So how is race a social construct and not a biological feature, when we have a scientific method to determine our race? This part of the philosophy has been bothering me ever since I read it, and I've been hesitant to ask because of how offensive people get when you question this system.
I want you to understand something: what you're asking about is much more basic than critical theory. You're talking about the sociological theory of race. I'd avoid trying to understand critical theory without some more basic sociology building blocks because you frankly won't understand what they're talking about otherwise.
I could only recommend an introductory college course since that's where I picked up the basics. Hopefully someone else has better resources. An important thing about sociology is understanding the different approaches there are to things and the language those approaches use.