Answer:
glucose, energy, water, oxgen
Explanation:
Crossing over occurs at the four-strand stage when two homologous chromosomes, each consisting of a pair of sister chromatids, are paired. Each crossover involves just two of the four strands and generates two recombinant strands.
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Answer:
It provides for the maturation and release of a fertilizable oocyte
Explanation:
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I think d all of the above