Numerical chromosome anomalies detected in paternally derived pronuclei of tripronuclear zygotes after intracytoplasmic sperm injection Ervin Macas,

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Numerical chromosome anomalies detected in paternally derived pronuclei of tripronuclear zygotes after intracytoplasmic sperm injection Ervin Macas, Ph.D., Claire Zweifel, M.D., Bruno Imthurn, M.D. Fertility and Sterility Volume 85, Issue 6, Pages 1753-1760 (June 2006) DOI: 10.1016/j.fertnstert.2005.11.062 Copyright © 2006 American Society for Reproductive Medicine Terms and Conditions

FIGURE 1 The Y-chromosome disomy found in the pronucleus derived from microinjected spermatozoon. The blue arrows identify chromosome Y, and the red arrow, chromosome 21. Bar = 3 μm. Macas. Numerical chromosome anomalies after ICSI. Fertil Steril 2006. Fertility and Sterility 2006 85, 1753-1760DOI: (10.1016/j.fertnstert.2005.11.062) Copyright © 2006 American Society for Reproductive Medicine Terms and Conditions

FIGURE 2 The irregular chromosome segregation between the two maternal complements. The red arrow depicts the Y chromosome (paternal pronucleus). The green arrows depict the X chromosome. The blue arrows depict chromosome 18. Bar = 3 μm. Macas. Numerical chromosome anomalies after ICSI. Fertil Steril 2006. Fertility and Sterility 2006 85, 1753-1760DOI: (10.1016/j.fertnstert.2005.11.062) Copyright © 2006 American Society for Reproductive Medicine Terms and Conditions