Question

A common hypothesis and casual assumption is that dogs originated from wolves. Because of the wide range of body sizes and shapes, other hypotheses include dog ancestry of jackals, coyotes, dingoes, or other wild dog species. In recent years, several studies have been done to clear up the lineage. One study tested the Y chromosome DNA that can only be passed down from male to male, and the other study tested the mitochondrial DNA because Multiple Choice the mitochondrial DNA contains genes that could code for dog size. the mitochondrial DNA records the inherited genetics of all the male and female parents of each generation. the mitochondrial DNA is much smaller, easier, and faster to analyze for the dog lineage. the mitochondria perform cellular respiration, providing energy to speed up the DNA analysis. the mitochondrial DNA is only passed down through females to each new generation.

          A common hypothesis and casual assumption is that dogs originated from wolves. Because of the wide range of body sizes and shapes, other hypotheses include dog ancestry of jackals, coyotes, dingoes, or other wild dog species. In recent years, several studies have been done to clear up the lineage. One study tested the Y chromosome DNA that can only be passed down from male to male, and the other study tested the mitochondrial DNA because
Multiple Choice
the mitochondrial DNA contains genes that could code for dog size.
the mitochondrial DNA records the inherited genetics of all the male and female parents of each generation.
the mitochondrial DNA is much smaller, easier, and faster to analyze for the dog lineage.
the mitochondria perform cellular respiration, providing energy to speed up the DNA analysis.
the mitochondrial DNA is only passed down through females to each new generation.

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