The nurse educator is teaching a group of student nurses regarding human growth and development. Which statement by the student nurse indicates the teaching has been effective?
A) "The zygote undergoes differentiation to form a multicellular embryo, which becomes a fetus and then an infant."
B) "Meiosis occurs only in the sex cells of the testes and ovaries."
C) "Mitosis is also known as the reduction division of the cell."
D) "When the two sex cells combine during fertilization, the total number of chromosomes (50) is present in the offspring's cells."
Answer: B
The zygote undergoes mitosis to form a multicellular embryo, which becomes a fetus and then an infant. Meiosis, the reduction division of the cell, occurs only in the sex cells of the testes and ovaries. When the two sex cells combine during fertilization, the total number of chromosomes present in the offspring's cells is 46, not 50.
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