Monosomy 7 Myelodysplasia and Leukemia Syndrome 2, is also known as m7mls2. An important gene associated with Monosomy 7 Myelodysplasia and Leukemia Syndrome 2 is SAMD9 (Sterile Alpha Motif Domain Containing 9). Affiliated tissues include bone marrow and bone, and related phenotypes are anemia and thrombocytopenia