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A complete worksheet to teach students the Hardy-Weinberg principle and equation. Written for AQA A Level Biology but could be used with other specifications. Includes 1 page explaining the theory, a page of levelled practise questions and 2 pages of exam questions. Answers/markschemes are included at the end! Don’t forget to print only the first 4 pages for the students! Is easily usable printed 2-pages per sheet front and back to save paper.

Covers:
3.7.2 Populations (A-level only)
The Hardy–Weinberg principle provides a mathematical model,
which predicts that allele frequencies will not change from
generation to generation. The conditions under which the principle
applies.
The frequency of alleles, genotypes and phenotypes in a
population can be calculated using the Hardy–Weinberg equation:
p2+ 2pq + q2= 1
where p is the frequency of one (usually the dominant) allele and q is the frequency of the other (usually recessive) allele of the gene.