Are humans more closely related to cats or dogs? Evolutionarily, the answer is simpleāweāre equally related to both. Humans belong to the primate group, while cats and dogs are part of Carnivora, and these lineages split around 90ā95 million years ago.
However, genetics tells a more interesting story. While overall DNA similarity is similar, the way genes are organized in chromosomes is closer between humans and cats. This makes cats surprisingly useful for studying human diseases, including cancer and kidney disorders.
That said, dogs remain widely used in research due to historical reasons. So, evolution says itās a tieābut genetics gives cats a slight edge.
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