Inherited Disorders Polydactyly GCSE Biology

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🦊 In this GCSE Biology video, we describe polydactyly, a genetic condition causing extra fingers or toes, inherited through a dominant allele, resulting in either homozygous dominant or heterozygous genotypes in affected individuals. Through genetic crosses, it's shown that if one parent has two dominant alleles, all offspring will have polydactyly, while if one parent is heterozygous, there's a 50% chance of inheritance, and if both parents are heterozygous, there's a 75% probability of offspring having polydactyly. Understanding such genetic crosses helps predict the likelihood of inheriting genetic disorders like polydactyly. • 👋 Hi, we’re Launchpad Learning. We’re the same team behind SnapRevise, the UK’s leading A-level revision platform. For the last 2 years, we’ve been working behind the scenes on creating the UK’s smartest and most fun GCSE revision platform which will be available soon. • 👉 Subscribe to our channel to stay in the loop about our launch date / @launchpadlearn

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