4736321
Description
Quiz by PEDRO ALVAREZ JIMENEZ, updated more than 1 year ago
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Created by PEDRO ALVAREZ JIMENEZ
over 8 years ago
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Question 1
Question
All living things have the same pool of genes
Answer
- True
- False
Question 2
Question
_________ genes are on Earth today as compared to millions of years ago.
Answer
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More
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The same number of
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We cannot tell how many
Question 3
Question
Many of the new genes produced are born from:
Answer
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Mistakes
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Cell divisions
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Evolution
Question 4
Question
Mutations can have a bigger effect on new copies of genes by having the protein:
Answer
-
Do a different job altogether
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Formed at a different time of life
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All of the above
Question 5
Question
How may we have evolved to be able to smell more odors?
Answer
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New smells have arisen that are necessary for us to recognize, so we have evolved the ability to smell them
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The genes that produce proteins in our noses changed and are now made in a different organ; this became an advantage and allowed us to smell more smells
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We have genes that code for proteins in our noses that grab odor molecules, and these genes mutated allowing the proteins to grab new molecules, allowing us to smell more smells
Question 6
Question
When a new protein arises, why is it selected by an organism?
Answer
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Because it makes a organism healthier
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Because it makes a organism better at the time of reproduction
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All of the above
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