Part 4/7:
Conversely, discussing race in the context of biology becomes murky. The idea that one can identify as a different race is criticized on the grounds that there are no distinct biological markers that delineate races as there are between the sexes. The concept of being biracial, for instance, indicates the possibility of existing within or between racial categories, yet it does not challenge the social construct of race in the same way that transgender identities challenge traditional gender norms.