The accompanying diagram shows four chromosomes in an individual who carries a translocation. Chromosomes 1 and 2 are structurally normal copies of two nonhomologous chromosomes, and chromosomes 3 and 4 have undergone a translocation (interchange of parts). Which pair of chromosomes included in a sperm or egg would result in a fertilized egg with abnormal gene dosage (missing or extra pieces of a chromosome)? Select all that apply, and assume that the other gamete carries structurally normal chromosomes like