Which mutation is more dangerous the BRCA1 BRCA2 explain your reasoning

Abnormal BRCA1 and BRCA2 genes are found in 5% to 10% of all breast cancer cases in the United States. A study found that women with an abnormal BRCA1 gene had a worse prognosis than women with an abnormal BRCA2 gene 5 years after diagnosis.

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50% lit on the left side

genetic variation will increase because of a new habitat and food source.

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