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When crossing two heterozygous plants, what percen...
Single Choice
When crossing two heterozygous plants, what percentage of the offspring do you expect to be homozygous?
A.
0
B.
25
C.
50
D.
75
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[单选题] A balanced chemical equation must possess which of the following?
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[问答题] The movement of lithospheric plates over the asthenosphere is explained by which theory?
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