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Turner syndrome is the result of one of the two X chromosomes being missing or damaged in some or all cells. These chromosomes are the sex chromosomes, which determine whether a person will be male or female. As people with Turners only have an X chromosome and no Y chromosome they are born female.
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Who carries the Turners Syndrome Does it come from the female or male?
Turner Syndrome is a genetic disorder that affects females only. It is caused by the absence of all or part of one of the X chromosomes. This condition is not passed down through family genetics, but occurs randomly.
What diseases are found in chromosomes?
* Down Syndrome -- an extra 21st chromosome* Angelman Syndrome -- an absence of chromosome #15 in the brain* Fragile X Syndrome -- a deficiency in one of the x chromosomes* Rett Syndrome -- deletion of an entire x chromosome (mainly strikes females)* Patau Syndrome -- tripling of chromosome #13 (infants appear mutilated)
What is the Effects of nondisjunction?
Nondisjunction can lead to abnormal chromosome numbers in daughter cells, resulting in conditions such as Down syndrome, Turner syndrome, or Klinefelter syndrome. This can cause developmental issues, intellectual disabilities, and various physical abnormalities in affected individuals.
What causes disorders such as klinefelter syndrome and turner syndrome?
Klinefelter syndrome is a chromosomal condition that only affects males and is characterized by a male having an additional X chromosome (XXY) in cells. This chromosome abnormality occurs when there is an error in cell division, resulting in an extra copy of the X chromosome.
What are some chromosomal disorders?
The most common type of chromosomal disorder is the Down syndrome caused by an added copy of chromosomes 21. More common chromosomal disorders are Klinefelter's syndrome and Turnerâ??s syndrome.
Who carries the Turners Syndrome Does it come from the female or male?
Turner Syndrome is a genetic disorder that affects females only. It is caused by the absence of all or part of one of the X chromosomes. This condition is not passed down through family genetics, but occurs randomly.
What causes disorders sush as klinefelter syndrome and turner syndrome?
non disjunction of sex chromosomes
What chromosomal abnormality causes Turner syndrome?
If one of sex chromosomes is missing. Normal-XX Turner- XO
Why do people get down syndrome is it purely genetic?
Down syndrome is purely genetic. There are no known environmental causes of the disorder. It is not a disease that is passed from parent to child. It is simply an disorder when the chromosomes split during cell division during development. The mayoclinic describes the causes: http://www.mayoclinic.com/health/down-syndrome/DS00182/DSECTION=causes
Is the extra copy of Chromosome 21 that causes Down syndrome dominant or recessive?
Down syndrome is neither caused by dominant or recessive chromosomes it is simply caused by an error in the translation process of chromosome 21.
What causes disorders such as Klinefelter's syndrome and Turner syndrome?
Klinefelter's syndrome is caused by the presence of an extra X chromosome in males (XXY), typically resulting in developmental and hormonal differences. Turner syndrome is caused by the complete or partial absence of one of the X chromosomes in females (X0), leading to underdeveloped ovaries and infertility. Both conditions occur due to chromosomal abnormalities during conception.
If nondisjunction occurs what happens?
Nondisjunction is a type of genetic mutation where chromosomes fail to separate properly during cell division, leading to an unequal distribution of chromosomes in the resulting cells. This can result in an abnormal number of chromosomes in the new cells, which can lead to genetic disorders such as Down syndrome or Turner syndrome.
What causes of extra or missing chromosomes?
Extra chromosomes can be caused by errors in cell division, such as nondisjunction, which leads to the formation of trisomies. Missing chromosomes can result from errors in cell division or deletions of chromosome segments. Both scenarios can lead to genetic disorders like Down syndrome or Turner syndrome.
What diseases are found in chromosomes?
* Down Syndrome -- an extra 21st chromosome* Angelman Syndrome -- an absence of chromosome #15 in the brain* Fragile X Syndrome -- a deficiency in one of the x chromosomes* Rett Syndrome -- deletion of an entire x chromosome (mainly strikes females)* Patau Syndrome -- tripling of chromosome #13 (infants appear mutilated)
What is the type of mutation that causes Digeorge syndrome?
Deletion Mutation causes DiGeorges Syndrome.
Explain how nondisjunction results in cells with abnormal numbers of chromosomes?
Nondisjunction results in cells with abnormal numbers of chromosomes due to chromosomes not separating properly in meiosis. this causes some cells to end up with to many chromosomes and others to end up with not enough chromosomes. It messes up cell division and development and can lead to death or genetic disorders like down syndrome.
Which stage of meiosis causes Down syndrome?
Mistakes in meiosis may cause Down syndrome. The error happens when the chromosomes segregate into the gametes. The egg or sperm may have too many or too few chromosomes. Down syndrome has an extra chromosome in the 21st pair.
