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sveta [45]
2 years ago
14

Which of the following statements about succession is not true?

Biology
1 answer:
andrey2020 [161]2 years ago
8 0

Answer:

I don't know what is the answer

Explanation:

b

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After hundreds or even thousands of generations both alleles for sickle cell anemia are still common in those of african ancestr
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Heterozygote advantage
When an allele is said to be heterozygous, it is carrying one copy of a gene. For example if one carries a copy of sickle cell allele, it will stay in the population even after many generations — natural selection will not be able to remove it and it will be passed on through generations. So, having one copy of that allele is advantageous but not deleterious.

Gene flow
With humans migrating throughout the different parts of the world, sickle cell allele is passed from one person to another or in different populations. It is actually advantageous to have one copy of this allele especially if there’s malaria in the area, which the allele is resistant.
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In what circumstances might it be important to use gel electrophoresis to separate and identify plasmids and short linear pieces
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