Vocabulary Entry

pronucleus

|noun

noun

A pronucleus is a nucleus that forms after the fertilization of an egg and contains the genetic material contributed by one of the parents.

Example Sentences

"After fertilization, the male and female pronuclei come together to form a zygote."

"The study of pronuclei is essential in understanding early embryonic development."

"Researchers observed the behavior of pronuclei during the first stages of cell division."