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Doctor insights on: Chromosome 16

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What does it mean when your told you are normal carrier type negative slt3 and they talked about chromosome 16 my daughter passed from leukemia?

What does it mean when your told you are normal carrier type negative slt3 and they talked about chromosome 16 my daughter passed from leukemia?

Needs clarifications: First, iwhat your doctor meant is that you had a normal karyotype, meaning your chromosomes were normal. I'm guessing you were told you were negative for flt3, a mutation that can be seen in patients with AML and that is associated with a poor prognosis. Your daughter's oncologist is telling you that your daughter did not inherit her leukemia from you and your other children aren't at risk. ...Read more

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What is chromosome 13?

What is chromosome 13?

Chromosome 13: Chromosome 13 has genes that can be associated w breast cancer, bladder cancer, Hirschsprung’s dz, Schizophrenia, Wilson’ Dz, some forms of deafness, Retinoblastoma and other conditions. If this is not the info you were interested in then please clarify & re-ask. ...Read more

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How many chromosomes should you have?

46: May have pieces that are switched aroung causing different phenotypes, either good or bad. ...Read more

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Which chromosome is colorblindness from?

Which chromosome is colorblindness from?

X: The most common form of color blindness is red-green color blindness. The gene is on the x chromosome, so that is why it is most common to see males with this (and not females). ...Read more

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Why does chromosome 13 get an extra copy?

Why does chromosome 13 get an extra copy?

Error in formation: During formation of the egg , the chromosome (c) pairs that make up the normal cell separate and each egg is supposed to have 1/2 of a pair. If a 13 pair does not separate, three rather than a pair of 13's will form when the egg & sperm join. Having an extra 13 in every cell of the fetus confuses the fetal development. Miscarriage or birth defects often occur. ...Read more

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What are the important parts of chromosomes?

What are the important parts of chromosomes?

Exons mostly: The majority of the dna packed in chromosomes does not encode for specific proteins (introns), but may still have a buffer role for protecting the genetic information included in the exons (genes). ...Read more

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What are some common chromosome abnormalities?

What are some common chromosome abnormalities?

Down Syndrome: Trisomies (3 instead of 2 of a certain chromosome) are most common. Down is caused by an extra copy of chromosome 21. Patients usually have lower iq, shortened lifespans and specific facial and anatomic features. Edwards syndrome involves an extra copy of 18. The most common in utero is 16, though spontaneous miscarriage rates are very high. Patau syndrome (extra 13) also has a high mortality. ...Read more

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How many chromosome defects cause retardation?

Hundreds at least: We only know about a few hundred, probably thousands possible as each human is unique as are their choomasome array. ...Read more

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Where does the duplication of chromosomes occur?

Where does the duplication of chromosomes occur?

In the gamete: Duplication of chromosomes occurs in the gametes. The gametes are the cells responsible for creation of the egg in women or sperm in men. The process is called meiosis. Duplication of chromosomes actually occurs in two separate phases of meiosis. ...Read more

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What happens if you are missing a sex chromosome?

What happens if you are missing a sex chromosome?

Causes a syndrome: Or infertility. Lack of an x chromosome in a female fetus usually results in a miscarriage, howevr some survive till birth and have turner syndrome. Lack of an x chromosome in males is associated with infertility. ...Read more