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In human spermatogenesis, mitosis of a stem cell gives rise to one cell that remains a
Chapter 46, Problem 9(choose chapter or problem)
In human spermatogenesis, mitosis of a stem cell gives rise to one cell that remains a stem cell and one cell that becomes a spermatogonium. (a) Draw four rounds of mitosis for a stem cell, and label the daughter cells. (b) For one spermatogonium, draw the cells it would produce from one round of mitosis followed by meiosis. Label the cells, and label mitosis and meiosis. (c) What would happen if stem cells divided like spermatogonia?
Questions & Answers
QUESTION:
In human spermatogenesis, mitosis of a stem cell gives rise to one cell that remains a stem cell and one cell that becomes a spermatogonium. (a) Draw four rounds of mitosis for a stem cell, and label the daughter cells. (b) For one spermatogonium, draw the cells it would produce from one round of mitosis followed by meiosis. Label the cells, and label mitosis and meiosis. (c) What would happen if stem cells divided like spermatogonia?
ANSWER:a)
Round 1:
Stem Cell --> Primary Spermatocyte (Stem Cell) & Spermatogonium
Round 2:
Primary Spermatocyte (Stem Cell) --> Secondary Spermatocyte (Stem Cell) & Primary Spermatocyte (Spermatogonium)
Round 3:
Secondary Spermatocyte (Stem Cell) --> Tertiary Spermatocyt