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yuradex [85]
3 years ago
6

A scientist begins working by trying to explain a natural occurrence that is

Biology
1 answer:
love history [14]3 years ago
4 0

Here is the full statement: A scientist begin working by trying to explain a natural occurrence that is OBSERVABLE.

Scientific method refers to the techniques that scientists used to carry out scientific investigations and it is made up of series of steps. The first step is observation. A scientist normally begin the process of scientific investigation by observing a phenomenon that occur naturally. The observation will lead to questions, which need to be answered and which eventually lead to conduction of experiments.

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Why is it important to know the average mutation rate when using DNA comparisons to determine
Svet_ta [14]

Answer:

mutation rates can be used to design molecular clocks in order to estimate divergence times among species  

Explanation:

In evolutionary biology, the substitution rates (also known as mutation rates) are used for the development of 'molecular clocks' which allow estimating the divergence times among species or among taxonomic groups. Molecular clocks can be designed by estimating the divergence rate of nucleotide sequences (either DNA or RNA) and amino acid (protein) sequences. These substitution rates can also be used to track how quickly viruses evolve (for example, in a pandemic situation).

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4. What type of charge does a<br> proton have?
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8 0
3 years ago
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how does codominance at the molecular level help to explain why evolutionary processes haven't resulted in the elimination fo th
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here.

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Due to the prevalence of malaria in Africa, the allele for sickle cell anemia (HbS) provides a selective advantage. That's why it remains in the population.

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An African person with sickle cell anemia (HbSHbS), with abnormal haemoglobin, will die of anemia.

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Thus heterozygous African people will grow, reproduce and pass on the HbS allele to the next generations.

8 0
3 years ago
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