Answer:
Uncontrolled proliferation of cells.
Explanation:
Mutations that accumulates overtime in chromosomes of these cells are found in malignant tumours. When such errors occurs placing a gene in close proximity to different control region, these errors may affect the different control region and cause them to lose their functions. Most of them function to regulate the rate at which the cell divides but when these errors occur, they lose their function and the cells divides uncontrollably making the cancer worse and even to metastasis.
Life expectancy and Quality of life are used to evaluate overall health because Life expectancy and quality of life talks about the number of a human can be expected to live or is a degree of overall satisfaction that a person gets from life.
Answer:
Explanation:
one on the center of the babies chest, and other in center of their back
