Thursday, August 25, 2011

3.15 Genes


1. A gene is a section of a molecule of DNA > DNA = double helix form
2. A gene forms the characteristics of the organism. > could be a blood group or a petal colour in a flower.
3. Different genes for different purposes
4. Genes are in the nucleus > info passed to the cytoplasm > then transformed into a protein > the protein controls how much of the characteristic is used.

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