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An allele known as BRCA1 is often found in women with breast and ovarian cancer. However, some women ...

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An allele known as BRCA1 is often found in women with breast and ovarian cancer. However, some women ...

An allele known as BRCA1 is often found in women with breast and ovarian cancer. However, some women develop these cancers and do not have the BRCA1 allele. In addition, some women who have BRCA1 never develop breast or ovarian cancer. How can this be explained?
A) These types of cancers are in no way associated with specific alleles.
B) The BRCA1 allele must be dominant.
C) Something other than the gene must factor into whether cancer develops.
D) It is just chance whether cancer will develop.

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Biology of Humans: Concepts, Applications, and Issues

Edition: 5^th

Authors: Goodenough, McGuire

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