Teacher: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.
Teacher: Now, understand the problem? Solve this instance: X - chromosome inactivation patterns of CD19 + B cells were highly concordant with CD3 + T cells except for two patients ( one RA , one CMML ) with monoclonal B and polyclonal T lymphocytes , therefore suggesting a clonal mutation in a progenitor common to the myeloid and B - lymphoid lineages or the coexistence of MDS and a B - cell disorder in these particular patients .
Student:
X - chromosome