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How is testing for brca1 or brca2 different from testing for a gene such as the tay-sachs gene?
Testing for BRCA1 or BRCA2 genes primarily focuses on assessing an individual's risk for breast and ovarian cancers due to inherited mutations, which can significantly impact management and preventive strategies. In contrast, Tay-Sachs testing is aimed at identifying carriers of a specific mutation that leads to a fatal genetic disorder affecting neurological development, primarily in Ashkenazi Jewish populations. While BRCA testing often involves assessing family history and may lead to proactive measures, Tay-Sachs testing typically focuses on reproductive decisions for carriers. Additionally, BRCA mutations have a broader spectrum of implications for cancer risk, while Tay-Sachs is a single-gene disorder with a clear phenotype.
What else can I help you with?
What does BRCA stand for?
BRCA1 and BRCA2 are genes that can mutate into cancer.
Are the genes BRCA1 and BRCA2 responsible for hereditary breast and ovarian cancer?
yes
What does BRCA mean?
BRCA1 and BRCA2 are two genes in your DNA which when altered or mutated, leads to Breast cancer.
What chromosome is the BRCA2 gene on?
Breast cancer, as all cancers, is highly complex and caused by mutations in numerous genes - each cancer, however, will likely have different gene mutations.However, there are some genes which are commonly mutated in a small proportion of breast cancers (a mutation in these genes shows increased susceptibility in a number of families) - the most commonly referred to are BRCA1 and BRCA2.BRCA1 is found on 17q21 (chromosome 17, q arm, band 21) and BRCA2 on 13q12.
Which recent discovery led to a new understanding of how genetic mutations increase the risk of cancer?
BRCA1 and BRCA2 genes
The BRCA 1 and BRCA 2 mutations increase the risk of which cancer in women?
BRCA1 and BRCA2 mutations increase the risk of breast and ovarian cancer in women. Women with these mutations have a higher lifetime risk of developing these cancers compared to those without the mutations.
Is ovarian cancer dominant or recessive?
Ovarian cancer and Breast cancer are held in the gene mutations BRCA1 and BRCA2, which only one parents needs in their genes to pass on to their children. So it is dominant.
What is the number one cause of breast cancer?
The number one cause of breast cancer is genetic mutations, specifically in the BRCA1 and BRCA2 genes. These mutations can increase the risk of developing breast cancer.
Cause that lead to breast cancer?
95% of breast cancer in female are of unknown causes the risk factor includedpositive family historyextreme agemutation of BRCA1 and BRCA2 genepersonal history of breast cancerradiation exposureDES exposure
What is the leading cause of breast cancer?
The leading cause of breast cancer is genetic mutations, particularly in the BRCA1 and BRCA2 genes. Other risk factors include age, family history, hormonal factors, and lifestyle choices.
Which allele is associated with the BRCA2 mutation?
The BRCA2 mutation is associated with a variety of mutations across its gene. However, most commonly, the mutation is found in one allele of the BRCA2 gene located on chromosome 13.
What is said to be the most powerful gene?
There is no single gene that is considered the most powerful. However, certain genes like the p53 gene, known as the "guardian of the genome," are crucial for controlling cell division and preventing tumor formation. The BRCA1 and BRCA2 genes are also important as mutations in these genes are linked to an increased risk of breast and ovarian cancer.
