What is an example of neutral evolution in humans? A. Eye Color B. Skin Color C. Blood Types D. Humans do not have any traits that undergo neutral evolution
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What is an example of neutral evolution in humans?
| A. |
Eye Color |
|
| B. |
Skin Color |
|
| C. |
Blood Types |
|
| D. |
Humans do not have any traits that undergo neutral evolution |
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- Why are humans so genetically similar within our species? A. Humans are not very genetically similar to one another. B. Because humans evolved in one location (Africa) and we have existed as a species for very long time. C. Because humans evolved in multiple locations around the world at different times. D. Because humans evolved in one location (Africa) and we haven't existed as a species for very long.According to "The Complex Evolution of Homo sapiens", what is the significance of the L3 gene and who was the L3 woman? A.Only individuals within North and South America descended from the L3 woman. B.All individuals within Africa are descended from the L3 woman. C.All individuals outside of Africa and who live in the Old World are descended from the L3 woman. D.All individuals outside of Africa are descended from the L3 womanBiology Which of the following is NOT a requirement of natural selection? a. non-random mutations b. variation is heritable c. variation within a population d. non-random survival and reproduction Which person has the greatest fitness? a. 65-year old man with 3 children and 2 grandchildren b. 35-year-old man with 3 children c. 70-year-old woman with 3 children, 10 grandchildren, and 2 great grandchild d. 100-year-old woman with 4 children
- According to "Homo naledi – New Questions on Human Evolution ", where was Homo naledi found and how many individuals were found there? A.South Africa and 2 individuals B.Kenya and 2 individuals C.South Africa and 15 individuals D.Kenya and 15 individualsAccording to "Homo naledi – New Questions on Human Evolution ", what are NOT possible explanations for how these individuals got into the cave? A.A massacre B.Flooding C.They fell in the cave D.All of these are NOT possible explanations for how these individuals got into the caveA scientist cloned a sheep. Which of these statement is true about the cloned sheep? a. It lacks the genes for reproduction b. It looks the same but has different genes c. It has the genes that are identical to the original sheep d. It has new genes and traits
- Early efforts at classifying humans into racial categories: a used a scientific understanding of genetics b. did not use a scientific understanding of genetics C. were uninterested in scientific understandings of geneticsWhat human traits are represented on a cline? A. Skin color B. Hair color C. Eye color D. All of the aboveWhy is it that the allele coding for darker skin did not evolve to protect us from skin cancer? A. Darker skin did develop to protect us from skin cancer B. Because skin cancer usually develops before an individual's reproductive years, so it doesn't affect the ability for someone to pass on their genes. C. Because skin cancer isn't harmful D. Because skin cancer usually develops after an individual's reproductive years, so it doesn't affect the ability for someone to pass on their genes
- You are studying the evolution of a trait in two species of snakes where both species can flatten themselves so that they can glide from tree to tree. You know that this trait is not present in the ancestor of all snakes. With this information, is the trait a homology? a. Yes b. No c. Only in one of the species. d. Not enough information to tell.Which of the four evolutionary mechanisms make a population better adapted to its environment? A. Migration B. Genetic drift C. Mutations D. Natural selection. ccording to "The Complex Evolution of Homo sapiens", what is the significance of the L3 gene and who was the L3 woman? A.All individuals outside of Africa and who live in the Old World are descended from the L3 woman. B.All individuals within Africa are descended from the L3 woman. C.Only individuals within North and South America descended from the L3 woman. D.All individuals outside of Africa are descended from the L3 woman.