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23/09/2020 10:46 am
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In humans, what is the ratio of the number of gametes produced from one male primary sex cell to the number of gametes produced from one female primary sex cell?
(a) 1:3
(b) 1:4
(c) 3:1
(d) 4:1
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23/09/2020 10:47 am
(d) 4:1
Explanation:
Four viable sperm cells are produced from one primary sex cell, whereby only one viable egg cell is produced, due to the unequal division of cytoplasm and the formation of polar bodies, which wither and die.