In this task, you are given a question and answer options for that question. Using this information, you have to classify each text into different topics: medicine, nursery, psychology, chemistry, pharmacology, biology.
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Question: Question: If in an epidemiological study, the participating population has voluntariness as an inclusion criterion, the validity of the results are subject to a bias of:
Options: <0> Information. <1> Confusion. <2> Selection. <3> Interpretation. <4> Publication.

Answer: nursery

Question: Question: What consequence of RNA bases will be produced when the AGGCCTTTACGC DNA fragment is transcribed ?:
Options: <0> TCCGGAAATGCG. <1> AGGCCUUUACGC. <2> UGGCCUUUUGCG <3> UGGCCUUUUCGC. <4> UCCGGAAAUGCG.

Answer: pharmacology

Question: Question: The type of epistasia that explains the 15: 1 dihybrid phenotypic ratio is:
Options: <0> Double dominant. <1> Simple recessive <2> Recessive dominant double. <3> Double recessive <4> Simple dominant.

Answer:
biology