Biology · A-Level · Edexcel · Edexcel A-level Biology B - 9BI0 · Specification point · 8.1 · Origins of Genetic Variation
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8.1 Origins of genetic variation
| Students should: |
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i Understand that mutations are the source of new variations and that the processes of random assortment and crossing over during meiosis give rise to new combinations of alleles in gametes. ii Understand how random fertilisation during sexual reproduction brings about genetic variation. |