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extra chromosome

A 30-year-old member asked:
Dr. Nikolaos Zacharias
26 years experience Maternal-Fetal Medicine
Good question.: Missing is generally worse, with the exception of turner syndrome when one instead of two x chromosomes is present.

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A 29-year-old member asked:
Dr. Padmavati Garvey
A Verified Doctor answered
A US doctor answered Learn more
Depends: Some extra chromosomes are incompatible with life. Some extra chromosomes may be associated with mental retardation and congenital deformities. Some ... Read More
Dr. James Ferguson
46 years experience Pediatrics
Error in formation: During formation of either egg or sperm (gametes), the chromosome (c) pairs that make up the normal cell separate and each gamete is supposed to have ... Read More
Dr. Johanna Fricke
50 years experience Developmental and Behavioral Pediatrics
A genetic accident: Human cells are supposed to have 23 chromosomes from father's sperm that pair up with 23 chromosomes from mother's egg. If either donation has an ext ... Read More
A 32-year-old member asked:
Dr. Matt Wachsman
36 years experience Internal Medicine
Generally: it does not survive very long. There are some syndromes in which there are birth defects from this. Trisomy 21 -- Mongolism trisomy 18 http://en.wikip ... Read More
A 38-year-old member asked:
Dr. William Singer
51 years experience Pediatric Neurology
No: There is no truth that beautiful women have chromosomal abnormalites more than the general population of women.
A 40-year-old member asked:
Dr. Nikolaos Zacharias
26 years experience Maternal-Fetal Medicine
Multiorgan effects.: Aneuploidy (i.e. One extra or missing chromosome) is a group of major genetic disorders that can affect all organ systems, more commonly the heart, br ... Read More
A 33-year-old female asked:
Dr. Bryan Kurtz
A Verified Doctor answered
A US doctor answered Learn more
Not a lot : You do not need to worry much. 1/190 chance means 0.5% chance of a trisomy. That's 99.5% chance the baby is normal. You need to understand the purpose ... Read More
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A female asked:
Dr. Laura McMullen
21 years experience Pediatrics
There : There is no cure for Down syndrome and no way that anyone knows of to affect the chromosomes of every cell in the body.
A member asked:
Dr. Daniel Cabot
22 years experience Family Medicine
Genetics referral: You should ask your pediatrician for a referral to a specialist for kids with chromosome abnormalities. I'm sure your pediatrician was planning to do ... Read More
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A 40-year-old member asked:
Dr. Ed Friedlander
44 years experience Pathology
Yes: One parent or the other. An extra Y will be from Dad.
A 48-year-old member asked:
Dr. Myron Arlen
64 years experience Surgical Oncology
Neither: cancer is caused by mutation in well defined genes that first lead to immortality and then the production of proteins that stimulate the cell to behav ... Read More

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