B1 Revision Cards You and your Genes 0.0 / 5 ? BiologyCells, tissues and organsGCSEOCR Created by: komalpreetCreated on: 08-03-14 22:27 what is a Chromosome? A long molecule of DNA coiled up 1 of 4 Genotype is ... All the genes person has 2 of 4 How many chromosome does a fertilised egg contains 23 pairs 3 of 4 what controls the characteristics Genes 4 of 4
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