genetics flashcards 0.0 / 5 ? BiologyVariation and reproductionGCSEAQA Created by: euphrosynayCreated on: 24-03-18 14:58 chromosomes in a human body cell 46 1 of 6 chromosomes in a sperm cell 23 2 of 6 allele variation of a gene that codes for a characteristic 3 of 6 nucleotide components phosphate, sugar, bases 4 of 6 2 dominant disorders polydactyly, huntington's chorea 5 of 6 2 recessive disorders cystic fibrosis, sickle cell disease 6 of 6
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