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The Philips curve charts unemployment against the change in rate of inflation. There is an inverse relationship between the two, therefore when unemployment rises, the change in rate of inflation falls. C...

If the mother’s father had haemophilia the mother must carry the allele for the condition, as the mother must receive an X chromosome from her father. Therefore, the X chromosome received from her mother ...

Introductions are an incredibly important part of any essay. They provide the reader with the necessary context for the question you are answering, and they outline the steps you will take to prove your a...

1. Note the phenotypes of the parents, work out whether they are homozygous or heterozygous.
2. Choose letters to represent the alleles. The upper case letter should represent the dominant allele...

Firstly, you should look at the structure of the essay before starting to write. There should be an introduction, a paragraph for each idea and then a conclusion. The introduction should include an introd...