Monozygotic Twinning: Weasley brothers, flatworms, and cow clones
[Esta publicación está disponible en español aquí.] Dizygotic twinning is when two sperm fertilize two eggs and produce two zygotes which grow as two separate organisms. Not confusing, right? Monozygotic twinning is when a single sperm fertilizes a single egg and produces a single zygote, but in the earliest stages of development that embryo splits […]
