Do all genes have alleles?

Related questions

1. How can gene banks prevent extinction?
2. Is DNA made of genes?
3. What can prevent extinction?
4. Where are proteins made?
5. How do scientists identify genes?
6. What does a gene contain?
7. What are gene banks and why are they important?
8. What is the basic structure of a gene?
9. What are the 4 steps of genetic engineering?
10. What are the 2 parts of a gene?

Tags

1. #differ
2. #dominant
3. #locus
4. #allele
5. #multiple
6. #plants
7. #copies
8. #color
9. #individual
10. #example
11. #expression
12. #given
13. #present
14. #known
15. #alleles
16. #flower
17. #different
18. #other
19. #though