One set or two sets
One set or two sets
A haploid nucleus contains one complete set of chromosomes, written as nnn. A diploid nucleus contains two complete sets, written as 2n2n2n.
Step-by-step lessons on OCR GCSE Biology 5.1.6 Haploid and diploid. Each one builds up to exam-style questions. Start with the foundational topics and build up to the higher-tier material.