The original 'One Day at a Time' series (1975-1984) did not include any identifiable LGBTQ+ characters or themes. Its narrative primarily focused on a divorced mother and her two daughters navigating life in Indianapolis, addressing various social issues of the era but not explicitly touching upon queer identity.

The 1975 television series "One Day at a Time" does not feature any identifiable transsexual characters or themes within its narrative. The show's focus was on a divorced mother raising two teenage daughters, addressing various social issues of the time, but not transgender identity.

The movie does not contain any action or adventure elements.

The 1975 series "One Day at a Time" is an original sitcom, not an adaptation of pre-existing characters from other media or a reboot of an earlier version. All characters were created for this specific production, thus no gender swaps occurred.

The 1975 series 'One Day at a Time' introduced original characters like Ann Romano and her daughters. There is no prior source material or historical record establishing these characters as a different race before their portrayal in this show.