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Tricuspid atresia is an uncommon form of congenital heart disease that affects about 5 in every 100,000 live births. Twenty percent of patients with this condition will have also have other heart problems. Normally, blood flows into the right atri...
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Chromosomal abnormalities describe changes in the normal number of chromosomes or structural problems within the chromosomes themselves. These abnormalities occur when an egg or sperm with an incorrect number of chromosomes, or a structurally faulty chromosome , unites with a normal egg or sperm during conception.
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Detailed information on the most common chromosomal abnormalities
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Chromosomal abnormalities describe changes in the normal number of chromosomes or structural problems within the chromosomes themselves. These abnormalities occur when an egg or sperm with an incorrect number of chromosomes, or a structurally faulty chromosome, unites with a normal egg or sperm during conception.
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Detailed information on chromosome abnormalities, including trisomies, monosomies, and genetic translocations
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Detailed information on chromosome abnormalities, including how a chromosome is inherited
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Detailed information on how chromosome abnormalities happen: meiosis, mitosis, maternal age, and environment
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Detailed information on the different types of chromosome abnormality
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Detailed information on mosaicism and the chance that a chromosome abnormality will occur again
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Detailed information on the difference between a single gene defect and a chromosome abnormality
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