GCSE Biology – Sex-Linked Inheritance

GCSE Biology – Sex-Linked Inheritance This GCSE Biology video explains sex-linked inheritance clearly and simply for exam success. In this video, GCSE students learn how sex-linked inheritance works in GCSE Biology. The lesson explains how some characteristics are controlled by genes found on the X chromosome, why sex-linked conditions are more common in males than females, and how to use genetic diagrams and Punnett squares to predict inheritance patterns for conditions such as colour blindness. This video is designed for GCSE Biology revision and supports students studying AQA GCSE Biology, OCR GCSE Biology, and Edexcel GCSE Biology. It is suitable for Year 9, Year 10, and Year 11 students and covers a key part of the inheritance and genetics topic. Students will develop understanding of sex-linked genes, X and Y chromosomes, genetic crosses, inheritance patterns, and common GCSE Biology exam questions involving genetic diagrams. GCSE Biology exam topic: inheritance and genetics. Supports AQA, OCR, and Edexcel GCSE Biology revision on sex-linked inheritance, X-linked conditions, and genetic crosses. Related topics include sex determination, dominant and recessive alleles, Punnett squares, and genetic disorders.