The following problem involves some factoring by grouping. Remember, before you can divide out factors common to the numerator and denominator of a product, you must factor completely. 
Definitions:
Genomes
The complete set of genes or genetic material present in a cell or organism, providing the biological blueprint for an organism’s structure and function.
Dogs
Domesticated carnivorous mammals that have been selectively bred for a variety of behaviors, sensory capabilities, and physical attributes.
Gray Wolf
A species of canid native to remote areas of North America, Eurasia, and North Africa, known for its role as a top predator in the ecosystem.
Clade
A group of organisms containing a common ancestor and all its descendants; a monophyletic group.
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