Explain how mutations in DNA that result from interactions
with the environment (i.e. radiation and chemicals) or new
combinations in existing genes lead to changes in function
and phenotype.
with the environment (i.e. radiation and chemicals) or new
combinations in existing genes lead to changes in function
and phenotype.
Skin Cancer is an example of a gene mutation resulting from overexposure to Ultraviolet Rays. This mutation results in the cancer cells multiplying rapidly, which is what results in the disease known as skin cancer.
Mouth Cancer is another example of a genetic mutation resulting in cancer. This mutation causes the cancer cells to multiply extremely fast. This is caused by several chemicals, that are known carcinogens, most commonly found in chewing tobacco.
This is an example of a child with Fetal Alcohol Syndrome. Fetal Alcohol Syndrome is the result of the pregnant mother consuming alcohol, which then directly affects the child in the ways shown adjacent.