Instead, their membranes dissolve, leaving no barriers between the male and female chromosomes.

"They signify the female chromosomes."

This may cause the baby to appear male when it has female chromosomes, even to doctors and parents.

The new patent covers a particular approach to mating programs that was inspired by the way male and female chromosomes combine during sexual reproduction.

The giant eland has 31 male chromosomes and 32 female chromosomes.

In this screen, an ENU-induced male is crossed with a female heterozygous for the balancer chromosome.

The addax has 27 male chromosomes and 28 female chromosomes.

Triple-X Syndrome: A rare chromosomal aberration characterized by the presence of three female chromosomes.

The nyala has 55 male chromosomes and 56 female chromosomes.

But the baby has female chromosomes.