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D3.2.16 (HL)—Segregation and independent assortment

Segregation separates allele pairs into gametes, while independent assortment separates different chromosome pairs independently during meiosis in inheritance problems in inheritance problems.

Syllabus
First assessment 2025
Objective
D3.2.16
Level
HL

Exam analysis

Chance of appearing5%of analysed past papers
Latest appearanceMay 2021
Most common paperPaper2
Typical marks1–6

Common command terms

  • Outline
  • Determine
  • Identify

Recent exam appearances

May 2021Paper2 ["HL"] · TZ25(a)[ 7 ]D3.2.16 (HL)—Segregation and independent assortment
May 2018Paper2 ["HL"] · TZ23(a)(ii)[ 2 ]D3.2.16 (HL)—Segregation and independent assortment
May 2015Paper1 ["HL"] · TZ225[ 1 ]D3.2.16 (HL)—Segregation and independent assortment
May 2013Paper2 ["HL"] · TZ17(b)[ 6 ]D3.2.16 (HL)—Segregation and independent assortment
May 2013Paper1 ["HL"] · TZ234[ 1 ]D3.2.16 (HL)—Segregation and independent assortment
Practice this objective

Coverage 2013–2021 · Updated 16 Jul 2026

Concept essentials

  • Segregation gives each gamete one allele from each pair.
  • Independent assortment applies to genes on different chromosome pairs.
  • Linked genes do not assort independently in the same simple way.
ConceptIB Biology HL