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Mechanism of Evolution and Human Evolution
Biology · Chapter 10 · Unit 2: Genetics and Evolution
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Your path through this chapter
Visual lesson Beta
- Part 1: Darwinism, modern synthetic theory and natural selection18 slides
- Part 2: Hardy–Weinberg principle and human evolution14 slides
Flashcards Beta
30 cards for quick recall of key terms and facts.
Review the cards Step 3: Not startedPractice
63 board-style questions with instant checks: Multiple choice 23, Short answer 18, Assertion and reason 6, Long answer 5.
Practise Step 4: Not startedChapter test Free
Short and long chapter tests in board pattern, with results and analysis.
Step 5: Not started- Chapter test (long) — Mechanism of Evolution and Human Evolution · 40 marks · 100 min
- Chapter test (short) — Mechanism of Evolution and Human Evolution · 20 marks · 50 min
Topics 5
- Darwinism and Malthus's influence; examples of natural selection (giraffe, industrial melanism, DDT and antibiotic resistance); Lederberg's replica plating; criticism of Darwinism
- De Vries' mutation theory; modern synthetic theory: mutation, recombination, gene flow, genetic drift (founder and bottleneck effects)
- Variation and its causes; types of natural selection: directional, stabilising and disruptive
- Hardy-Weinberg principle; factors disturbing equilibrium; numerical problems
- Human evolution: features of Dryopithecus, Ramapithecus, Australopithecus, Homo habilis, H. erectus, H. neanderthalensis, Cro-Magnon and modern man