Medical Genetics
Chromosome Abnormalities
There are many different types of chromosome abnormalities that require clinical care by a physician or other healthcare professional. Listed in the directory below are some, for which we have provided a brief overview.
If you cannot find the information in which you are interested, please visit the Medical Genetics Online Resources page in this Web site for an Internet/World Wide Web address that may contain additional information on that topic.
Overview of Chromosome AbnormalitiesTypes of Chromosome Abnormalities
Numerical Abnormalities: Overview of Trisomies and Monosomies
Structural Abnormalities: Deletions (Cri du Chat) and Duplications (Pallister Killian)
How Chromosome Abnormalities Happen: Meiosis, Mitosis, Maternal Age, Environment
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Online Resources page of this Web.
Contact information:
Raymond Lewandowski, MD
Medical Director, GeneticistOfelia Rivera
Office ManagerDeborah Dansby
Sonographer SupervisorDenise Dominguez
Valley SupervisorAndrea Ramirez
Senior Genetic CounselorCPSST - Driscoll Genetics Services
5920 Saratoga Blvd. 540
Corpus Christi, Texas 78414
Phone: (361) 694-1600 or (361) 985-6600
Fax: (361) 985-6603
Hours 8-5 pmCPSST - Driscoll Genetics Services -Brownsville
1096 Los Ebanos, Suite B
Brownsville, TX 78520
Phone: (956) 544-5663
Fax: (956) 544-7386CPSST - Driscoll Genetics Services - Harlingen
2220 Haine Dr., Suite #46
Harlingen, TX 78550
Phone: (956) 428-0897
Fax: (956) 428-0899CPSST - Driscoll Genetics Services - McAllen
1910 S. First St., Suite #500
McAllen, TX 78501
Phone: (956) 686-0503
Fax: (956) 668-0503
Hours: 8 – 5 Monday – Friday
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Corpus Christi, Texas
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