- Targeted disruption of exons 1 to 6 of the Fanconi Anemia group A gene leads to growth retardation, strain-specific microphthalmia, meiotic defects and primordial germ cell hypoplasia. Wong, J.C., Alon, N., Mckerlie, C., Huang, J.R., Meyn, M.S., Buchwald, M. Hum. Mol. Genet. (2003)