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3 Cards in this Set
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Some people are against stem cell research |
Some people are against stem cell research because they feel that human embryos shouldn't be used for experiments since each one is a potential human life. Others think that curing patients who already exist and who are suffering is more important than the rights of embryos. |
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Chromosomes |
There are 22 matched pairs of chromosomes in every human body cell. The 23rd pair are labelled XX or XY. They're the the two chromosomes that decide whether you turn out male or female. All men have X and Y chromosome: XY the Y chromosome causes male characteristics. All women have two X chromosomes: XX the XX combination allows female characteristics to develop |
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