Biology, 20.01.2022 22:10 pineapplefun
Why is it so important to time the meeting of the sperm and the egg with great care?
A: Higher genetic breeds do not have good sperm.
B: It takes many sperm cells to fertilize an egg.
C: The eggs are only viable for fertilization for 12 hours.
D: The eggs are only viable for fertilization for 24 hours.
Answers: 2
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Ecologist have observed a sharp increase of sulfur dioxide in the air . what might be a possible consequence of excessive sulfur dioxide in the air ? a. acid rain b. ozone layer depletion c. ozone layer hole d. increase in sea levels
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Human genes only differ by less than percent. a. 1 b. 6 c. 11 d. 16
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Blood stem cells may develop into any kind of human blood cells. what kind of stem cells are blood stem cells? a. multipotent stem cells o b. totipotent stem cells o c. pluripotent stem cells o d. unipotent stem cells
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Why is it so important to time the meeting of the sperm and the egg with great care?
A: Higher gen...
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