What is a chromosome?

A chromosome is a long, tightly coiled molecule of DNA. Chromosomes are split into sections called genes. In the human body there are 48 chromosomes within each cell (except sex cells which have 23). Chromosomes contain all the information needed to synthesise proteins.

NS
Answered by Nathaniel S. Biology tutor

4038 Views

See similar Biology GCSE tutors

Related Biology GCSE answers

All answers ▸

How does blood flow through the heart?


Explain the process of evolution


What is the structure and features of a DNA molecule


Describe the basic stages of mitosis.


We're here to help

contact us iconContact ustelephone icon+44 (0) 203 773 6020
Facebook logoInstagram logoLinkedIn logo

MyTutor is part of the IXL family of brands:

© 2025 by IXL Learning