The series 'The 100' does not feature identifiable transsexual characters or themes within its narrative. While known for its LGBTQ+ representation, this primarily focuses on lesbian and bisexual characters and relationships, with no specific portrayal of transsexual individuals or experiences.

The show is an adaptation of a book series. While it introduces many new characters and significantly diverges from the source material, no established characters from the books had their gender changed in the on-screen portrayal.

The show 'The 100' significantly diverged from its source novels, which did not explicitly or unambiguously establish the race of most characters. Therefore, casting choices for the show do not constitute a race swap as per the defined criteria.