Different form of the same gene. In humans, alleles of particular genes come in pairs, and our characteristics are determined by the combination of alleles we have.
How helpful was this page?👎 👍 Send
What's the main reason for your rating?Send
Which of these best describes your occupation?Send
how old are students / how old are you?Send
What is the first part of your school's postcode?Send
How has the site influenced you (or others)?Send
Thankyou, we value your feedback!
If you have any other comments or suggestions, please let us know at email@example.com
Can you spare 5-8 minutes to tell us what you think of this website? Open survey