What are the  syndroms of  monosomy 11 and what is the life expectancy?
606741
chromosome 11, partial monosomy 11q\njacobsen syndrome \npartial deletion 11q syndrome \ndistal 11q monosomy \ndistal 11q- syndrome \npartial 11q- syndrome \npartial monosomy 11q \npartial monosomy of long arm of chromosome 11\n\nchromosome 11, partial monosomy 11q is a rare chromosomal disorder in which a portion of the long arm (q) of chromosome 11 is missing (deleted or monosomic). the range and severity of symptoms may vary, depending upon the exact size and location of the deletion on 11q. \n\nchromosome 11, partial monosomy 11q may be characterized by abnormally slow growth before and after birth (prenatal and postnatal growth retardation), mental retardation, and/or moderate to severe delays in the acquisition of skills requiring the coordination of mental and muscular activity (psychomotor retardation). characteristic physical abnormalities may include malformations of the head and facial (craniofacial) area, abnormalities of the eyes, malformations of the hands and/or feet, and/or defects of the heart.\n\npatients with this disorder tend to live out normal lives within the limitations of their disability, which varies from person to person.
568495
http://www.genetic.org/ks/scvs/tju_stdy2.htm
463778
"The case of a young man with del(2) (p11.2p13) is reported. Accounts of previous cases of deletion of the short arm of chromosome 2 are reviewed. Common features include mental retardation, proportional short stature and weight, dysmorphic facial features (a prominent nose, abnormal ears), and abnormal hands. Growth and developmental delay are present during the postnatal period"\n\nhttp://jmg.bmjjournals.com/cgi/content/abstract/30/7/604
151482
Try here\nhttp://www.genomesize.com/search.php\nThey have a good searchable database, see the column labeled "Ch" for chromosome diploid number.
594069
trisomy 18 or edwards syndrome, named after john edwards who first described the syndrome in 1960, is a genetic disorder caused by the presence of three, instead of two, chromosomes 18 in a fetus or baby's cells.\n\nthus being a genetic disorder, it is inherited. but its mode of inheritance cannot be explained using the punnett square or pedigree because it is a case of trisomy, or the presence of an extra chromosome.\n\nhowever, we can show that the edwards syndrome is inherited through the non-disjunction or improper separation of chromatids 18 at meiosis.\n\nwhere:\nchromosome 18 is represented by X\nn = 23, total human chromosomes in a germ cell\n(?) is an egg cell\n<?>- is a sperm cell\n\ntherefore,\nn - 1 = 22 or without chromosome 18\nn + 1 = 24 or with additional chromosome 18\n\ndiagram production of n+1 and n-1 gametes if non-disjunction occurs at:\na. meiosis 1\n(XX) -> (XX) (_) -> (X or n+1) (X or n+1) (_ or n-1) (_ or n-1)\nb. meiosis 2\n(XX) -> (X) (X) -> (/ or n) (&#92; or n) (_ or n-1) (X or n+1)\n\nnow, using gametes from meiosis 2:\n(&#92;) + </>- = 46 or normal\n(/) + <&#92;>- = 46 or normal\n(_) + </>- = 45 without chromosome 18 (non-viable)\n(X) + <&#92;>- = 47 with extra chromosome 18 or edwards syndrome\n----------------\n2 normal : 1 non-viable : 1 with edwards syndrome\n\ntry it using gametes from meiosis 1... ;p
499176
Kartageners syndrome\n\nciliary dyskinesia
88079
I suggest you ask your physician to refer you to a Geneticist, or you might find good info at the following:\n\nhttp://www.ninds.nih.gov/disorders/neurofibromatosis/neurofibromatosis.htm scroll down and you'll find more links.\n\nhttp://neurosurgery.mgh.harvard.edu/NFR/ this is a Harvard/MGH site scroll down and you'll find a Genetics link. \n\nI don't think you are going to get an expert opinion on Yahoo Answers. Hope you realize that most people just Google this stuff and aren't geneticists. This question is "hard to understand" because MOST people have never heard of Neurofibromatosis or von Recklinghausen's disease. And of course you'll get stupid answers...look who you are asking!
301931
umm, though i'm not sure what the question really says- i think you are asking about genetic diseases involved with chromosome number, if i'm right the following stands, if not then ignore it. \nif you have less or more chromosomes than 46 you will not survive far past fertilization, at least thats what i understand- either that, or you would be a different species- unable to produce a fertile offspring with a human.\n\nHowever there is a lot of confusion around Down's syndrome. This is caused by non-disjunction of chromosomes during meiosis, and creates trisomy genotypes on chromosome 21. \n\nTrisomy and non-disjunction can also occur on chromosome 17- causing another disease, which i have momentarily forgotten the name of. sorry.
698064
First of all, I would like to say...\nI AM SO VERY SORRIE FOR YOUR LOSS! \nMy thoughts & prayers are with you! \n\nOK...as far as "Thymus Gland"...I am embarrassed to say that I  dont know ANYTHING about it, however, I included several links for you to search through. I do hope you will find some answers. \n\nDid I understand correctly when you said that the "M. E." (Medical Examiner) never GAVE a "Cause Of Death"? \n\nIt is VERY IMPORTANT that you find "Closure". It has been 43 some odd years (I was born in 1961) and you CANNOT begin to "Heal" if you have no closure. \nI SO DO wish you the very best! ;)\n\nWAIT! Check out the below article I just found. \nI have attached the link to it immediately below the article itself. \n\nDiGeorge Syndrome: \nImportant....... \nIt is possible that the main title of the report DiGeorge Syndrome is not the name you expected. Please check the synonyms listing to find the alternate name(s) and disorder subdivision(s) covered by this report. \n\nSynonyms: \nCongenital Absence of the Thymus and Parathyroids \nDGS \nHarrington Syndrome \nPharyngeal Pouch Syndrome \nThird and Fourth Pharyngeal Pouch Syndrome \nThymic Agenesis \nThymic Aplasia, DiGeorge Type \nThymic Hypoplasia, DiGeorge Type \nThymus, Congenital, Aplasia \nChromosome 22q11 Deletion Syndrome \nDisorder Subdivisions \n\nGeneral:\nDiGeorge syndrome is a rare immunodeficiency disorder characterized by various congenital abnormalities that develop because of defects that occur during early fetal development. These defects occur in areas known as the 3rd and 4th pharyngeal pouches, which later develop into the thymus and parathyroid glands. Developmental abnormalities may also occur in the 4th branchial arch.\n\nNormally the thymus gland is located below the thyroid gland in the neck and front of the chest and is the primary gland of the lymphatic system, which is necessary for the normal functioning of the immune system. The parathyroid glands, located on the sides of the thyroid gland, are responsible for the maintenance of normal levels of calcium in the blood. The thymus and parathyroid glands are missing or underdeveloped in children with DiGeorge syndrome. The symptoms of this disorder vary greatly, depending upon the extent of the missing thymus and parathyroid tissue. The primary problem caused by DiGeorge syndrome is the repeated occurrence of various infections due to a diminished immune system.\n\nhttp://www.webmd.com/hw/heart_disease/nord74.asp\n\nA few links for "Resources"...\n\n1)...March of Dimes Birth Defects Foundation \n1275 Mamaroneck Avenue\nWhite Plains, NY 10605\nTel: (914)428-7100\nFax: (914)997-4763\nTel: (888)663-4637\nEmail: Askus@marchofdimes.com\nInternet: http://www.marchofdimes.com\n\n2)...Immune Deficiency Foundation\n40 West Chesapeake Avenue\nSuite 308\nTowson, MD 21230\nTel: (410)321-6647\nFax: (410)321-9165\nTel: (800)296-4433\nEmail: idf@primaryimmune.org\nInternet: http://www.primaryimmune.org\n\n3)...Chromosome 22 Central\n237 Kent Ave\nTimmins\nOntario, Intl P4N 3C2\nCanada\nTel: 7052683099\nEmail: a815@c22c.org\nInternet: http://www.c22c.org\n\n4)...NIH/National Institute of Child Health and Human Development\n31 Center Dr\nBuilding 31, Room 2A32\nMSC2425\nBethesda, MD 20892\nTel: (301)496-5133\nFax: (301)496-7101\nInternet: http://www.nih.gov/hichd/\n\nGOOD LUCK!
528676
Theres such risks for birth defects related to our chomosomes.  The statistic for a healthy 18 year old female to have a baby with 43 chormosomes instead of 42 ( Down's Syndrom ) is about one in ever 3000. But for anyone over 38 the stat goes up to like one in seven mothers are likely to have a baby with Down's Syndrome. So it just isnt safe any more, or i should say, it just isnt optimal..
474766
Rett Syndrome is a rare neurodevelopmental disorder that appears to occur almost exclusively in females but can occur rarely in males. Infants and children with the disorder typically develop normally until about 7 to 18 months of age, when they may begin to lose previously acquired skills (developmental regression), such as purposeful hand movements and the ability to communicate. Additional abnormalities typically include slowing of head growth (acquired microcephaly); development of distinctive, uncontrolled (stereotypic) hand movements, such as hand clapping, rubbing, or "wringing"; and impaired control of voluntary movements required for coordination of walking (gait apraxia). Affected children also typically develop autistic-like behaviors, breathing irregularities, feeding and swallowing difficulties, growth retardation, and episodes of uncontrolled electrical activity in the brain (seizures).
260633
I dont believe it is fatal but since it does include heart malformations the possibility is there.\n\nHere is a web support group with many answered questions that might help you.\nhttp://www.noonansyndrome.org/home.html
559031
Well, it's a bit tough to draw in this text box, so how about a written description?  Willams Syndrome is an autosomal dominant deletion on chromosome 7, so essentially, the meiosis would have (in a heterozygous parent) two of the four resulting gametes with the WS trait, and two without.  The segregation is always independant, so the two affected ones could be any of the daughter cells.
30050
As other people have said, Down's syndrome is caused by an extra chromosome 21, which is why it is also called trisomy 21. Many things can cause that to happen, from random chance to drinking alcohol during pregnancy, to the mother being over 35.
700716
In humans? 47.\nhttp://en.wikipedia.org/wiki/Triple_X_syndrome
875757
go to google and type in genetic disorders and then take your pick. I thought young kids were supposed to be so computer savy!
504096
Presumably you don't mean monosomy X? Monosomy 10 seems to be something associated with some types of tumor cells not with a genetic disorder at birth