Skip to content

Course home

x
Sign up
x

From chromosomes to alleles

From chromosomes to alleles

Organisation of DNA from the double helix and coiled nucleosomes to a chromosome A chromosome is a thread-like structure of tightly coiled DNA found in the nucleus. Each chromosome carries many genes.

3.3.2 Alleles and inherited characteristics Lesson

  1. GCSE
  2. /Biology
  3. /3.3.2 Alleles and inherited characteristics

Step-by-step lessons on Edexcel GCSE Biology 3.3.2 Alleles and inherited characteristics. Each one builds up to exam-style questions. Start with the foundational topics and build up to the higher-tier material.

Lessons