Biology 0.0 / 5 ? BiologyCells, tissues and organsGCSEAQA Created by: 114552Created on: 23-02-16 12:39 GENES A gene is a short section of DNA. Each gene codes for a specific protein by specifying the order in which amino acids must be joined together. 1 of 6 CHROMOSOMES The cells nucleus contains chromosomes made from lonf DNA molecules 2 of 6 DNA they are large and complex. they carry teh genetic code that determines the characteristics of a living thing 3 of 6 Boy xy 4 of 6 Girl ** 5 of 6 y chromsomes small chromsomes 6 of 6
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