Given scientific fact as input, generate the question from this fact such that it can be answered from the input.

[EX Q]: Rna analysis type of analysis is performed to study gene expression patterns in cells.
[EX A]: What type of analysis is performed to study gene expression patterns in cells?

[EX Q]: The majority of human genes have two or more possible alleles.
[EX A]: How many possible alleles do the majority of human genes have?

[EX Q]: The presence of solute particles blocks some of the ability for liquid particles to do evaporate.
[EX A]:
The presence of solute particles blocks some of the ability for liquid particles to do what?