single-sex
The group's sound and style reflected its mixed-gender and interracial lineup.
The Fairgrounds Pool in St. Louis was among the first public pools in America to offer mixed-gender swimming.
These groups tend to attract an essentially younger, mixed-gender crowd.
She joined the university's mixed-gender officer training corps.

SMART Vocabulary: related words and phrases

Species & genders
breed
clade
class
cliff edge
femaleness
genera
genus
he
holotype
intergeneric
male
order
paramecium
phylum
same-gender
she
speciesism
strain
suborder
xenotransplantation