What is an allele?

Simply put, it is a form of a gene which can lead to different phenotypes, e.g. eye colour. There is one allele that codes for blue eyes and another allele that codes for brown eyes. 

AW
Answered by Amy W. Biology tutor

3821 Views

See similar Biology GCSE tutors

Related Biology GCSE answers

All answers ▸

Describe the process of evolution by natural selection


What is eutrophication?


Describe 3 differences between animal cells and plant cells


Describe and explain what is meant by ‘natural selection’. (4 marks)


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