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4:33
YouTube
Freesciencelessons
GCSE Biology Revision "Alleles"
Find your 9s with PLUS. Click the link to try for free https://www.freesciencelessons.co.uk/plus Teachers, to get PLUS for your school, email schools@freesciencelessons.co.uk In this video, we look at what is meant by alleles. We then explore key definitions in genetics, including homozygous, heterozygous, dominant, recessive, genotype and ...
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