You have analyzed a large set of human cancer-critical genes for a selected group ofcarcinomas, classifying each of the genes based on whether they are known to undergo somatic orgerm-line mutations, as well as based on whether they are dominant or recessive. You then groupthem and plot the statistics in the following histograms. Which group (a or b) do you thinkrepresents somatic, as compared to germ-line, mutations? Which group (1 or 2) do you thinkrepresents dominant, as compared to recessive, mutations? (Note that the sum of percentages ofsomatic and germ-line mutations is more than 100%, since some genes are mutated in bothsomatic and germ cells).

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he forelimbs below belong to four species that descended in a direct line from the ancestral mammal shown above. of the four descendants shown, which species most likely appeared earliest in evolutionary history?

evidence and logical support is essential for a scientist to do in order to maintain credibility. this is because no one can believe without any logic and without any evidence.hence a scientist can maintain credibility by proving himself and by answering logically so experiments prove very beneficial. logical hypothesis give conclusion which is acceptable. therefore, there are two main factors to maintain credibility by a scientist is evidence and logical support.

other information encoded in your genes might distinguish you from the others in the group