Which Combination Contains the Normal Chromosome Number

Multiple Choice

Which combination contains the normal chromosome number?

A) a human egg - 46;a human sperm - 23;a human zygote - 23
B) a human egg - 46;a human sperm - 46;a human zygote - 23
C) a human egg - 46;a human sperm - 46;a human zygote - 46
D) a human egg - 23;a human sperm - 23;a human zygote - 46
E) a human egg - 23;a human sperm - 23;a human zygote - 23