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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
SL

Exam analysis

Chance of appearing5%of analysed past papers
Latest appearanceNovember 2025
Most common paperPaper1
Typical marks1–2

Common command terms

  • Identify
  • Outline
  • Describe

Recent exam appearances

November 2025Paper1B ["SL"] · TZ14(a)[ 2 ]D3.1.1—Sexual vs. asexual reproduction
November 2024Paper1 ["SL"] · TZ222[ 1 ]D3.1.1—Sexual vs. asexual reproduction
November 2023Paper2 ["SL"] · TZ23(b)[ 2 ]D3.1.1—Sexual vs. asexual reproduction
May 2021Paper1 ["SL"] · TZ117[ 1 ]D3.1.1—Sexual vs. asexual reproduction
November 2017Paper2 ["SL"] · TZ06(c)[ 3 ]D3.1.1—Sexual vs. asexual reproduction
Practice this objective

Coverage 2015–2025 · 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 SL