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Which chromosomal mutation results in Alagille syndrome?
Alagille syndrome is typically caused by a deletion or mutation in the JAG1 gene located on chromosome 20. This gene provides instructions for making a protein involved in the development of various organs and tissues, including the liver, heart, and eyes.
What does klinefelters syndrome come from what type of mutation?
Klinefelter syndrome is caused by the presence of an extra X chromosome in males due to a random error in cell division, known as nondisjunction. This results in a chromosomal mutation where males have an additional X chromosome, leading to physical and developmental differences.
Which condition is caused by chromosomal deletion?
One condition caused by chromosomal deletion is Cri-du-chat syndrome, which results from a deletion on the short arm of chromosome 5. This syndrome is characterized by intellectual disability, distinctive facial features, and a cat-like cry in infants.
Where is cri du chat located?
Cri du Chat Syndrome or Chromosome 5p- is a chromosomal condition that results in brain abnormalities.
How does Down syndrome occur with no history of Down syndrome in the family history?
It's either a mutation with the gene, or either the mother or father donates an extra chromosome. 2nd Answer: True, and Down Syndrome is not a genetic disease and has nothing to do with family history. By the way, the kind of chromosomal mistake that causes Down Syndrome occurs in many people, but on different chromosomes. Mostly, your body is so tolerant of this kind of mistake that you never see any results.
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.
When parts of chromosomes are broken off and lost during mitosis or meiosis the result is an?
when parts of chromosomes are broken off and lost during mitosis the results is a chromosomal mutation
When parts of chromosomes are broken off and lost during mitosis or meiosis the result is?
when parts of chromosomes are broken off and lost during mitosis the results is a chromosomal mutation
Is turner syndrome a chromosomal abnormality?
Yes, Turner syndrome is a chromosomal abnormality that occurs when a female is partially or completely missing an X chromosome. This condition typically results in various developmental issues, including short stature, delayed puberty, and infertility. It is usually identified through genetic testing, and management often involves hormone therapy and regular medical monitoring.
Chromosomal aberrations can be produced by exposure to what?
Chromosomal aberrations can be produced by exposure to ionizing radiation, certain chemicals known as mutagens, and some viruses. These agents can cause changes in the structure or number of chromosomes, which can lead to genetic disorders or cancer.
This type of error is known as and usually results in zygotes that either do not develop to term or have severe abnormalities.?
This type of error is known as a chromosomal abnormality, which can occur during cell division and lead to an incorrect number of chromosomes in the zygote. Such abnormalities often result in zygotes that either fail to develop to term or develop severe congenital defects. Common examples include conditions like Down syndrome, Turner syndrome, and Klinefelter syndrome, which can arise from these chromosomal issues.
Is Turner syndrome a chromosomal error?
Yes, it is a chromosomal error which occured most likely during meiosis. It is an error in cell division called NONDISJUNCTION. The single X chromsome is maternal, which suggests that the meiotic error tends to be paternal (3/4 of cases) -Krista D. RN
