In this task, you are given a sentence. You are expected to recognize the name of gene or protein. Although there might be several correct answers, you need to write one of them.
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Question:  Consistent with this , rh5 expression in R8 disappears when R7 cells are absent ( in sevenless mutant ) .

Answer: sevenless mutant


Question:  Presently , we made chain pair switch , chimeric , and site mutant gamma delta TCRs and transfected them into TCR - mutant Jurkat T cells to examine the effects of changing the TCR gamma junctional region sequences on reactivity to prenyl pyrophosphate Ags .

Answer: prenyl pyrophosphate Ags


Question:  The highly conserved region of U6 snRNA has a structural similarity with the catalytic domain of the negative strand of the satellite RNA of tobacco ring spot virus [ ( - ) sTRSV ] , suggesting that the highly conserved region of U6 snRNA forms the catalytic center .

Answer:
U6 snRNA