Question

In gene expression analysis, fold change (FC) is calculated as tumor sample / control. So if the median value for Control is 0.20 and GBM is 0.95, FC is ________.
A. 2.00
B. 9.50

C. 4.75

D. 0.21

To make sure of result reproducibility, an experiment must be repeated at least _____ times conducted under the same experimental conditions but on different days from the initial experiment.
A. 1

B. 2

C. 3

D. 10

Answer 1

We know that FC(fold change) is a ratio between two quantities which are compared. Here control medain is 0.20 while GBM is 0.95. So, tumor sample/control i.e. (0.95/0.20) will be

c) 4.75

__________________________________________________________

To assure reproducibility of an experiment is a important factor which need to be assured for an given experiment conducted for its validity. Minimum number of times it must get reproduce

c) 3 times

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