DNA Sequence Similarities

Definition

DNA sequence similarities refer to the degree of identity in the sequence of nucleotides between different species. It is used as a measure of genetic relatedness and evolutionary relationships.

Related terms

Genome: The complete set of genes or genetic material present in a cell or organism.

Nucleotide:

The basic building block of DNA and RNA, consisting of a sugar, phosphate group, and nitrogenous base.

Phylogenetics: The study of evolutionary relationships among species based on similarities and differences in their physical or genetic characteristics.