What is the difference between homozygous and heterozygous?

Homozygous means there are two copies of the same allele present at a specific locus (position) on a chromosome, e.g. two copies of the allele for blue eyes. Whereas, heterozygous means there are two copies of different of different alleles present at a specific locus on a chromosome, e.g. one copy of the allele for blue eyes and one copy of the allele for brown eyes. Remember Homo = the same, Hetero = different. 

Answered by Amy W. Biology tutor

7595 Views

See similar Biology GCSE tutors

Related Biology GCSE answers

All answers ▸

Can you explain the circulatory system of the blood?


How is a sperm cell adapted to its role?


Lipids are molecules that are derived from


Describe the pathway of blood flow through the pulmonary circuit


We're here to help

contact us iconContact usWhatsapp logoMessage us on Whatsapptelephone icon+44 (0) 203 773 6020
Facebook logoInstagram logoLinkedIn logo

© MyTutorWeb Ltd 2013–2024

Terms & Conditions|Privacy Policy