A major difference between mammalian spermatogenesis and oogenesis is <span>the number of gametes made per month.</span>
B. DNA.
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Answer:
Some versions have more steps, while others may have only a few. However, they all begin with the identification of a problem or a question to be answered based on observations of the world around us.
Explanation:
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Nucleus has genetic material (DNA) inside it, so it commands the cell about how it has to be function......
