Failure of chromosomal organization within human egg and sperm cells result in miscarriages and infertility. However, the mechanisms controlling these processes are not understood. The discovery of a ...

Embryo development starts when a single egg cell is fertilized and starts dividing continuously. Initially a chaotic cluster, it gradually evolves into a highly organized structure. Scientists have ...

To understand why egg cells are more susceptible to errors, Wignall studies a football-shaped structure, called the spindle, which organizes genetic material before the egg divides. "The spindle is ...

When a woman becomes pregnant, the outcome of that pregnancy depends on many things—including a crucial event that happened while she was still growing inside her own mother's womb. It depends on the ...

A snapshot from a simulation of how microtubules bend and direct material in a maturing egg cell into a twister-like flow. Egg cells are the largest single cells on the planet. Their size — often ...