Outgroup Cow Deer Hippo Pig Peccary Camel Whale (b) Outgroup Cow Deer Whale Hippo Pig Peccary Camel 6. According to the rule of maximum parsimony, is it MORE LIKELY that whales lost their hooves or that pigs, deer, cattle, and camels independently gained hooves? 7. Phylogenetic trees can change depending on which trait or gene sequence you use to classify the organisms (see the diagram above). How is this possible? Hint: you can use the terms mosaic evolution or haplotype in your answer

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Genetic Evolution

Sexual reproduction produces distinct population variations. Heredity determines the traits and qualities to be passed down to the progeny. Over time, this variation within-species is also affected by the process of human evolution. The study of how genetic variation leads to evolutionary changes is known as genetic evolution. If a trait helps an organism to survive and reproduce, it is more likely to be passed down the generations. It is rare that such traits result in a completely distinct set of traits in descendants than the ancestral population; this can result in the emergence of a new species.