According to a study, bird eggs are fertilized by more than one sperm. In mammals only one sperm is needed to penetrate the egg. The study could help develop programs for endangered species.
According to a study, bird eggs are fertilized by more than one sperm. In mammals only one sperm is needed to penetrate the egg. The study could help develop programs for endangered species.
Inicia sesión en The Objective
Crea tu cuenta en The Objective
Recupera tu contraseña
Ingresa el correo electrónico con el que te registraste en The Objective