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Below are the previews for the slide in Biology 1 - You and your genes. If you click on them, you can see larger versions. If you are on a computer you can press the left and right arrows to move. You can also click the arrows to the left and right of the screen.

Powerpoint Description:

Use this slideshow to help you teach the new OCR 21st Century 2016 B1 unit. It covers: plant and animal cells, bacteria cells, how genetic information is stored in the chromosomes, using microscopes, the relationship between genes, chromosomes and DNA, how variations can be genetic and/or environmental, DNA in more detail including the role of nucleotides, how cells make proteins, genetic mutations in DNA, the genetics of sex determination, definitions of key terms such as dominant, recessive, homozygous and heterozygous, how characteristics are inherited, monohybrid cross diagrams and punnet squares, the work of Mendel, the Human Genome Project, genetic testing and its ethical issues, how genetic engineering is done, advantages and disadvantages of genetic modification.

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