Relatedness = recency of common ancestry – grandparents vs. great-grandparents – ≈ 6 Million years ago (Ma) vs. ≈ 600 Ma • You are more closely related to your first cousins than your second cousins because…. • You are more closely related to a chimpanzee than to a worm because….
Relatedness = recency of common ancestry. You are more closely related to your first cousins than your second cousins because…. You are more closely related to a chimpanzee than to a worm because…. grandparents vs. great-grandparents ≈ 6 Million years ago (Ma) vs. ≈ 600 Ma. - PowerPoint PPT Presentation
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Relatedness = recency of common ancestry
– grandparents vs. great-grandparents
– ≈ 6 Million years ago (Ma) vs. ≈ 600 Ma
• You are more closely related to your first cousins than your second cousins because….
• You are more closely related to a chimpanzee than to a worm because….
Is a frog more closely related to a Is a frog more closely related to a trout or a human?trout or a human?
• But this is not how evolution happened • All these species are alive today: A living
trout is not an ancestor of a frog• The order “along the top” can change