Skip to content

Course home

Question bank·3.4 Variation and the Human Genome Project
Sign up

3.4 Variation and the Human Genome Project

EasyMediumHard
123456789101112131415161718192021
Question 18

Two groups of laboratory mice were genetically identical and were the same age. The groups were reared in separate rooms. After eight weeks, the mice in group 2 had a greater mean body mass than the mice in group 1.

Explain how the mice could have different mean body masses.

[2]
Markscheme

3.4 Variation and the Human Genome Project Questions

  1. GCSE
  2. /Biology
  3. /3.4 Variation and the Human Genome Project

96 exam-style questions on Edexcel GCSE Biology 3.4 Variation and the Human Genome Project, covering 3.4.1 Causes of variation, 3.4.2 Outcomes of the Human Genome Project, 3.4.3 Genetic variation within a population, and 3.4.4 Effects of genetic mutations on phenotype. Each one has a worked solution and a mark scheme showing where the marks go.

More questions