The official word from the police was that they could not identify the body or determine its sex.

A baby's sex is determined at the time of conception.

The sex of the remaining 6 percent could not be determined from their names.

Scientists can determine a person's sex, age, and race by examining a single hair.

For many species sex is determined by environmental factors experienced during development.

Laboratory techniques have been used before to determine a baby's sex.

The most usual way to determine sex is by genes.

The sex cannot be determined until the plants begin flowering, usually between 4 and 12 years of age.

In addition, your baby's sex can sometimes be determined during an ultrasound.

The genetic sex of a child is determined at conception.