Two genes BRCA1 and BRCA2 are linked to hereditary breast ca

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Two genes BRCA1 and BRCA2 are linked to hereditary breast cancer. Therefore in order to decrease the annual number of mammogram tests administered across a population and to more accurately assess a woman's individual risk of breast cancer, all women should be tested for these genes.

Which of the following is the assumption?

A. Some women who are tested for the two genes will subsequently undergo mammograms on a less frequent basis than they used to.
B. The majority of breast cancer patients have no family history of the disease.
C. Researchers may have identified a third breast cancer gene that is linked with hereditary breast cancer.
D. Women who have these genes have an 90% chance of getting breast cancer while women who don't have these genes have only a 20% chance of getting breast cancer.
E. The presence of BRCA1 and BRCA 2 can explain upto to 50% of hereditary cases

OA A

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by deloitte247 » Sun Feb 17, 2019 1:24 am

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OPTION A:- CORRECT
The outcome of the argument will result to the less frequent undergoing of mammograms because, it will determine the women who are likely to undergo cancer due to hereditary or not.

OPTION B:- INCORRECT
This doesn't serve as an assumption to this argument, because it won't help to decrease the number of mammogram test administered across a population as well as to access a woman's individual risk to breast cancer which happens to to be the main concern of the argument.

OPTION C:- INCORRECT
Perhaps this is true, but it isn't concerned with the argument.

OPTION D:- INCORRECT
This doesn't serve as an assumption but rather shows the woman's individual risk to breast cancer.

OPTION E:- INCORRECT
This is a known fact to the argument but the presence of BRCA 1 and BRCA 2 are linked to the hereditary cases of breast cancer, although we don't know if it is about 50% and it will be illogical to assume that.