Height is a trait that shows continuous variation in humans. in pea plants, on the other hand, the tall allele is dominant over the short allele and there are no intermediate heights. what is the best explanation for this difference?

option a and d is the correct answer

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the dna molecules have a negative charge because of the phosphate groups in their sugar-phosphate backbone, so they start moving through the matrix of the gel towards the positive pole. power is turned on and dna fragments migrate through gel (towards the positive electrode).

explanation: