Biology, 24.03.2020 23:54 csciahetano
In those parts of equatorial Africa where the malaria parasite is most common, the sickle-cell allele constitutes 20% of the β hemoglobin alleles in the human gene pool. 15. If the sickle-cell allele is recessive, what proportion of the population should be susceptible to sicle-cell anemia under typical conditions?
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Why do we perceive objects as retaining their brightness under different lighting levels?
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2. which of the following statements does not accurately describe stem cells? a. embryonic stem cells make up the inner cell mass of a blastocyst. b. with more research, stem cells may be used to repair or replace damaged cells. c. the use of stem cells is without any objections since it can be used in therapies to humans. d. adult stem cells are multipotent and can differentiate into many types of cells.
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Biology, 22.06.2019 11:30
There are multiple lines of evidence that provide support for common ancestry and evolution. write 3-4 paragraphs describing at least three of them in detail. provide at least one example for each line of evidence.
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In those parts of equatorial Africa where the malaria parasite is most common, the sickle-cell allel...
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