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7:24
YouTube
Cognito
GCSE Biology - Genetic Diagrams | Punett Squares (2026/27 exams)
⭐️ Check out our website https://www.cognito.org/ ⭐️ *** WHAT'S COVERED *** 1. Introduction to Genetic Diagrams * Showing combinations of alleles from two parents. 2. Representing Alleles * Using letters (capital for dominant, lowercase for recessive). * Example gene: mouse muscularity (Normal vs Muscular). 3. How to Draw Genetic ...
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