Replies to message #1,995

🔎 If you see an alert for analytics.usips.org, this is a self-hosted system I am running as a test. It is GDPR compliant and collects no invasive information.

There are a very few people who are chimeras with both XX and XY genotypes, because two fraternal twin embryos merged.

Yes, you're right. I should have said how we identify sex (sex characteristics) follows a strong bimodal distribution, due to the fact that some...