In which of the following ways does a fertilized egg differ from an unfertilized egg? A) A fertilized egg has more unpaired chromosomes than an unfertilized egg. B) A fertilized egg has chromosomes that will soon go through meiosis while an unfertilized egg's chromosomes have already divided. C) A fertilized egg has fewer chromosome mutations than an unfertilized egg. D) A fertilized egg has chromosomes from two parents while an unfertilized egg only has chromosomes from the mother.

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Answer - D Gametes always have half the number of chromosomes compared to the somatic cells, hence an unfertilized egg would have half the chromosomes from the mother, and a fertilized egg will contain diploid number of chromosomes. Half of them from inherited from each of the two parents.

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