In some cases, skin cancers are hereditary and an increased risk of developing the disease can be passed from parent to child. If members of the same or multiple members being diagnosed the chance it being passed down to your children is higher.
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Answer:
sickle cell anemia is caused by a mutation in the hemoglobin beta (or HBB) gene and it leads to a single change in amino acid sequence. this gene is located on chromosome 19
Explanation:
They can all travel through empty space
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