Answer to Question #260234 in Cell Biology for Nah JT

Question #260234

What is the relationship between DNA, a gene and an allele?

Expert's answer

Deoxyribonucleic acid or DNA is made up of polynucleotide chains arranged in a double helix. DNA forms the genetic material in most living organisms and is responsible for transferring genetic information from parents to offspring. The gene structure is made up of DNA. It is a specific sequence present on DNA stretches and is the basic unit of heredity and occupies a specific location on a chromosome. Alleles are variant forms of genes and are located at the same position on a chromosome. They contribute to the phenotype characteristics of an organism. In conclusion, the relationship between DNA, genes and alleles is that they all are made up of DNA. 

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