Which of these factors contribute to a decrease in gene density?

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#Question id: 4948

#Unit 11. Evolution and Behavior

RNA molecules can both carry genetic information and be catalytic. This supports the proposal that 

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#Question id: 4603

#Unit 11. Evolution and Behavior

Of the following anatomical structures, which is homologous to the bones in the wing of a bird?

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#Question id: 18725

#Unit 13. Methods in Biology

What are Linkers?

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#Question id: 10809

#Unit 6. System Physiology – Plant

Sieve element sap is rich in sugars and other organic molecules, These molecules represent an energy investment for the plant. How their loss be prevented when sieve elements are damaged?

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#Question id: 17809

#Unit 8. Inheritance Biology

In humans, albinism (unpigmented skin, hair, and eyes) is due to an enzymatic deficiency, and it is an autosomal recessive trait. Suppose that in a small country of one million people (“Generation 1”), there are 500 aa albinos and 9000 Aa heterozygous carriers. What is the probability that a child will be albino if: Both parents are members of Generation 2, and one parent is albino and the other is non-albino.