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D3.1.1—Sexual vs. asexual reproduction

Sexual reproduction combines gametes and creates genetic variation, while asexual reproduction produces genetically identical offspring from one parent by cloning or mitotic division.

Syllabus
First assessment 2025
Objective
D3.1.1
Level
HL

Exam analysis

Chance of appearing3%of analysed past papers
Latest appearanceNovember 2017
Most common paperPaper1
Typical marks1

Common command terms

  • Identify
  • Outline
  • Describe

Recent exam appearances

November 2017Paper1 ["HL"] · TZ011[ 1 ]D3.1.1—Sexual vs. asexual reproduction
May 2015Paper1 ["HL"] · TZ226[ 1 ]D3.1.1—Sexual vs. asexual reproduction
May 2014Paper1 ["HL"] · TZ112[ 1 ]D3.1.1—Sexual vs. asexual reproduction
Practice this objective

Coverage 2014–2017 · Updated 16 Jul 2026

Concept essentials

  • A clone is genetically identical to the single parent or source cell that produced it.
  • Asexual reproduction commonly uses mitosis and does not require fusion of gametes.
  • Sexual reproduction increases variation by combining genetic material from two gametes.
ConceptIB Biology HL