GCSE Biology - Family Trees / Family Pedigrees (2026/27 exams)
6:25
YouTubeCognito
GCSE Biology - Family Trees / Family Pedigrees (2026/27 exams)
⭐️ Check out our website https://www.cognito.org/ ⭐️ *** WHAT'S COVERED *** 1. Definition and purpose of family trees (family pedigrees). 2. Interpreting pedigree symbols and keys. * Symbols for male and female. * Symbols for affected, unaffected, and carrier individuals. 3. Understanding genetic terms in pedigrees. * Alleles (dominant ...
155.8K viewsApr 5, 2020
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