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just olya [345]
2 years ago
9

The mutation that causes sickle cell disease in humans is

Biology
2 answers:
ExtremeBDS [4]2 years ago
4 0
Substitution Mutations
IgorC [24]2 years ago
3 0

Answer: Missense mutation

Explanation:

Missense mutation is a type of point mutation where a single nucleotide is changed to cause substitution of a different amino acid. This in turns render the resulting protein non-functional.

In the case of sickle-cell disease, the sixth amino acid in the gene sequence, glutamate (GAG) is substituted with valine (GUA), due to Adenine nucleotide changed to Uracil nucleotide. Thus, missense mutation has occurred

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<u>Explanation</u>: GIS is an extremely useful tool in analyzing geographic information. By overlaying  topographic data as well as infrastructure, populations, bio-physical datasets (e.g. flood, landslide, storm surge, earthquake data), vulnerable areas as well are relatively safe areas can be detected. Thus, routes to safety as well as shelter construction can be planned.

The strength of an earthquake as well floodwater depth cannot be determined in advance with GIS. The bio.physical datasets that are used come from events that have already occurred and not future events. With GIS the damage caused by a future even can be <em>estimated</em>, but the strength of the natural disaster itself cannot.

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3 years ago
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What will happen to the other members of the food chain if the grasshoppers are removed?
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What characteristic of water causes it to display these properties: adhesion, cohesion, surface tension, and capillary action?
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