Question

familial cancer is caused by​

Answer 1

Explanation:

Cancer that occurs in families more often than would be expected by chance. These cancers often occur at an early age, and may indicate the presence of a gene mutation that increases the risk of cancer. They may also be a sign of shared environmental or lifestyle factors.

Answer 2

Cancer that occurs in families more often than expected is called familial cancer. These cancers often occur at an early age. They may also be a sign of shared environmental or lifestyle factors. This happens because of changes in some of the genes inside cells.An abnormal change in a gene is called a mutation, and may indicate the presence of a gene mutation that increases the risk of cancer.

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