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Doctor insights on: What Percent Of Women Inherit A Brca1 Or Brca2 Gene

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What percent of women inherit a brca1 or brca2 gene?

What percent of women inherit a brca1 or brca2 gene?

Clarifying Q & A: In the general population, the incidence of a brca1 mutation is between 1:500 to 1:800. It is much lower for brca2. For a woman or offspring to inherit the gene from a parent who has one copy of the mutated gene, there is a 50% chance of acquiring the gene in question. It is autosomal dominant and therefore can manifest its deleterious consequences by itself without need of a second copy. ...Read more

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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Any stats on how many woman have been tested for the brca1 and brca2 gene?

Any stats on how many woman have been tested for the brca1 and brca2 gene?

Brac1 and brac2 gene: No nobody keeps track of that because these tests are done all over the world. ...Read more

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What does the brca2 gene mean as a guy?

What does the brca2 gene mean as a guy?

BRCA2: Such men carry increased risk for breast and prostate cancers and should follow up with a specialist. ...Read more

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If my mom has the brca2 gene but I don't, can insurance companies charge me more?

If my mom has the brca2 gene but I don't, can insurance companies charge me more?

Brac2gene: No that can not charge you more.Is your question about life insurance or medical insurance.Whatever you are negative for this gene and there should be no risks. ...Read more

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What is the definition or description of: brca2 gene?

What is the definition or description of: brca2 gene?

Cancer risk locus: This is a normal gene that makes a protein for basic cell functions. It was the second gene discovered that is often mutated in people at extra risk for breast cancer, and depending on the mutation these people often have increased risk of ovarian cancer as well. A person with a family history may be tested for the mutation and make decisions to protect health. ...Read more

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Does the brca2 gene also cause colon cancer? Or just breast and ovarian?

Does the brca2 gene also cause colon cancer? Or just breast and ovarian?

BRCA for breast: Brca genetic mutations are for breast and ovarian cancers , for for colonic cancers apc gene, & familial non polyposis gene mutation are tested. 75% of colon cancers has no family history, best way to detect early is by regular doctor visits and colonoscopic examinations for early detection and cure. ...Read more

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Can u still have endometriosis or ovarian cancer w/ a clear transvaginal ultrasound? My doc says my ovaries are normal and my tiny cyst is gone. I have tons of pelvic pain & my mom has the brca2 gene.

Can u still have endometriosis or ovarian cancer w/ a clear transvaginal ultrasound? My doc says my ovaries are normal and my tiny cyst is gone. I have tons of pelvic pain & my mom has the brca2 gene.

Yes and No: Yes: you could definitely have endometriosis with a clear ultrasound, but would not likely have an endometrioma of the ovary no: it would be pretty unlikely to have ovarian cancer with a clear ultrasound and even if you did have extremely early undetectable cancer, it would not cause pain. ...Read more

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Are genetic tests available to detect brca1 and brca2 mutations, and how are they performed?

Yes: Brca1 and 2 mutation analysis is performed at myriad lab in usa. One can either use an oral swab or blood for testing. It is strongly recommended that the testing is done in the context of genetic counseling as the interpretation of the test and risk assessment for breast/ovarian cancer are complex and requires professional explanations. ...Read more

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Do brca1 and brca2 mutations affect men the same way they affect women?

Do brca1 and brca2 mutations affect men the same way they affect women?

No: The penetrance of a mutation defines the risk of developing the disease in those that carry a particular mutation. Women with brca mutations have lifetime risks estimated between 40-80%; men's risks are much less-studied but are probably in the range of 10% or less. ...Read more

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Who should take the brca1/brca2 test?

Who should take the brca1/brca2 test?

Know risk factors!: Genetic testing is recommended for: 1)a personal history of breast cancer at age 50 or younger 2)a personal history of triple negative breast cancer (breast cancer that is estrogen receptor-negative, Progesterone receptor-negative and her2/neu receptor-negative) 3)a personal or family history of male breast cancer 4)a personal or family history of bilateral breast cancer 5)history of ovarian cance. ...Read more

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Brca2 Gene (Definition)

This is a normal gene that makes a protein for basic cell functions. It was the second gene discovered that is often mutated in people at extra risk for breast cancer, and depending on the mutation these people often have increased risk of ovarian cancer as well. A person with a family history may be tested for the mutation and make ...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