The X and Y chromosomes, commonly referred to as the sex chromosomes, are one such pair. They determine the biological sex, reproductive organs, and sexual characteristics that develop in a person.

CHICAGO (WLS) -- The Archdiocese of Chicago broadcasts Sunday Mass from Holy Name Cathedral on ABC7. Mass from Holy Name Cathedral airs on ABC7 streams on ABC7Chicago.com at 9:30 a.m. on Sundays.

This opinion was expressed by Carlos González-Vila, professor of political science at the Spanish University of Castilla - La Mancha. “It seems clear that there will be significant changes in US ...

2022-12-23 | Christmas tree of the Galeries Lafayette in Paris, France (© Geoffroy Van der Hasselt/AFP via Getty Images) ...