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Doctor insights on: Apc Gene Sequencing

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What is the difference in gene sequencing tests vs gene deletion/duplication tests? Should one type of genetic test be done before the other?

What is the difference in gene sequencing tests vs gene deletion/duplication tests?  Should one type of genetic test be done before the other?

Depends: Sequencing is like reading war and peace letter by letter, and deletion/duplication testing is like seeing if a chapter is completely missing or present as an extra copy. Which first? Depends on the condition. For duchenne muscular dystrophy, look for deletions first. For brca, sequence first. Your clinical geneticist can discuss the strategy with you. ...Read more

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Genetic (Definition)

From a medical standpoint, "genetic" refers to the potential heritability of various medical conditions. While some conditions are inevitable (at some point in one's life) as a consequence of simple genetic heritability (eg huntington's disease), a large number of medical conditions (including all behaviorial health disorders) are the expressed final pathway of a ...Read more


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Can you tell me why PCR and DNA sequencing provided no results for brent's pathogen.?

Can you tell me why PCR and DNA sequencing provided no results for brent's pathogen.?

Homework: This is the last line from a long homework problem that's already all over other answer boards. It's not appropriate to bring it here, and without the rest of the problem, we can't answer it anyway. ...Read more

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Should I screen my children for ovarian cancer genes since it seems to be so deadly? There is no history in my family.

Should I screen my children for ovarian cancer genes since it seems to be so deadly?  There is no history in my family.

No: There is no simple screen for ovarian cancer susceptibility beyond the breast-ovarian cancer gene (brca) testing that costs $2600-3300. Only families with cases of ovarian or early onset (<45) breast cancer should consider this testing. ...Read more

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What is the difference in gene sequencing tests vs gene deletion/duplication tests? Should one type of genetic test be done before the other?

Depends: Sequencing is like reading war and peace letter by letter, and deletion/duplication testing is like seeing if a chapter is completely missing or present as an extra copy. Which first? Depends on the condition. For duchenne muscular dystrophy, look for deletions first. For brca, sequence first. Your clinical geneticist can discuss the strategy with you. ...Read more

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Who needs apc genetic testing?

Who needs apc genetic testing?

History of polyps: General indications for APC gene testing include patients who themselves have had 10 or more adenomas or have had a desmoid tumor, or patients who have a family member with an APC gene mutation found on genetic testing. ...Read more

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How much DNA is needed for nanopore sequencing?

How much DNA is needed for nanopore sequencing?

A future scientist: How much do you think is required? a single strand? A single molecule? I encourage you to find the answer. Best of wishes to your future endeavors. ...Read more

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Can you tell me why PCR and DNA sequencing provided no results for brents pathogen.?

Can you tell me why PCR and DNA sequencing provided no results for brents pathogen.?

Homework: This is a question from a homework problem in microbiology that's already all over the answer boards. It's not appropriate to bring it here. ...Read more

Gene (Definition)

A hereditary unit consisting of a sequence of dna that occupies a specific location on a chromosome and determines a particular characteristic in an organism. Genes undergo mutation when their ...Read more


Dna (Definition)

Dna are the coding molecules found in all living things on earth which contain the instructions on how to build living things. Its is comprised the nucleotide molecules which are ...Read more