Sex Determination, Mutation and Genetic Disorders

Biology · Chapter 6 · Unit 2: Genetics and Evolution

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Your path through this chapter

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Visual lesson Beta
1. Part 1: Sex Determination and Sex-linked Inheritance14 slides
2. Part 2: Mutation and Genetic Disorders13 slides
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Notes Beta
5 sections with key terms, formulas and exam tips.
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Flashcards Beta
30 cards for quick recall of key terms and facts.
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Practice
62 board-style questions with instant checks: Multiple choice 24, Short answer 17, Fill in the blanks 5, Numerical 5.
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Chapter test Free
Short and long chapter tests in board pattern, with results and analysis.
- Chapter test (long) — Sex Determination, Mutation and Genetic Disorders · 40 marks · 100 min
- Chapter test (short) — Sex Determination, Mutation and Genetic Disorders · 20 marks · 50 min
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Sex determination in humans, birds, honey bees and grasshoppers
Sex-linked inheritance: body and eye colour in Drosophila; haemophilia and colour blindness in humans
Mutation: spontaneous and induced; gene (point) mutations - transition, transversion and frameshift
Mendelian disorders: phenylketonuria, thalassaemia, colour blindness and sickle cell anaemia
Chromosomal disorders: Down's, Klinefelter's and Turner's syndromes