Mrs. Dickie: Therefore we can say that any two amoeba are identical twins since they have the same genetic makeup. They are all the same sex and can reproduce by themselves. [Beavis and Butt-Head begin to laugh, while Butt-head shakes and throws two dice] So all sperm cells contain either an X chromosome or a Y chromosome, and-
Butt-Head: She said sperm.
Mrs. Dickie: Depending on which sperm cell fertilizes the egg - I said, depending on which sperm cell fertilizes the egg, the zygote will be either male or female - SHUT UP!!! [Beavis & Butt-Head continue to laugh] McVicker's office, now!
[At McVicker's Office. Beavis and Butt-head are laughing.]

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