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AveGali [126]
4 years ago
11

What evidence does douglass present to disprove the idea of black inferiority?

Biology
1 answer:
pickupchik [31]4 years ago
8 0
<span>Taking example on himself, Douglas states that education and environment are the factor for success, and that African-Americans are no more or less to be found possessing the right or wrong disposition as far as intelligence.</span>
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The measured distance between genes D and E in a two point test cross is 50 map units. What could this mean in physical terms
balu736 [363]

Answer:

Genes that express 50% of recombination frequency or more are not linked genes. They might be in different chromosomes or located in the same one, but too far from each other.    

Explanation:

Genes are physically located in chromosomes. Many genes segregate independently after crossing-over because they are located far away from each other. But some other genes are too close, and they do not segregate independently. These are the linked genes that do not exhibit an independent distribution, and they inherit together more frequently.

We need to know that 1% of recombination frequency = 1 map unit = 1cm. And that the maximum recombination frequency is always 50%.

When the recombination frequency is inferior to 50%, genes are linked. If it is equal or superior, they are not linked. Genes are located far enough from each other to assort independently.

Genes that express 50% of recombination frequency or more are not linked genes. They might be in different chromosomes or located in the same one, but too far from each other.

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A simple liquid is heated in a closed container until it changes to gas. What happens to the average speed of the particles?
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Answer:

When a sample liquid is heated in a closed container, the temperature increases and thereby increasing the speed of the particles which would try to escape the surface of water into the free space above the liquid

Explanation:

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What effect does the greenhouse effect have on the earths water cycle
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Climate change intensifies this cycle because as air temperatures increase, more water evaporates into the air. Warmer air can hold more water vapor, which can lead to more intense rainstorms, causing major problems like extreme flooding in coastal communities around the world.

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I hope that <u>RNA</u> is the organelle that is covered with ribosomes and surrounding the nucleus.

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