<span>Sexual reproduction has the potential to produce tremendous genetic variation in offspring.<span>This variation is due to independent assortment and crossing-over during meiosis, and random union of gametes during fertilization.
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Answer:
the correct answer is a 
ARE BASED ON A SET OF OBSERVATIONS 
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Answer:
pyruvate
Explanation:
Pyruvate, the product of glycolysis, is  converted to acetyl-CoA, the starting material  for the citric acid cycle, by the pyruvate  dehydrogenase complex. Acetyl-CoA donates its acetyl group  to the four-carbon compound oxaloacetate to form the  six-carbon citrate.