The correct answers would be, Environmental, Epigenetic, Switches.
Explanation:
Individuals who acquire a health condition with no prior family history of that condition may have had exposure to an Environmental factor that caused an Epigenetic Mutation. These Mutations alter the chemical switches that turn the genes on or off.
The physical structure of the DNA is changed or altered by the Epigenetic Mutation. For example the DNA methylation, which is an addition to the methyl group, and prevents specific genes from being expressed.
Learn more about Epigenetic Mutation at:
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Osteoarthritis is the condition that can begin when Cartilage that pads pounds in a joint begins to wear down.
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The only physical difference in their genetic make up is in the sex chromosomes. Only males have a Y chromosome. Although the X chromosome is present in both sexes, there are two copies in females and only one in males
Answer:
Negative
Explanation:
A negative kind of correlation shows an inverse relationship between two variables under study, in which the increase of one variable results in the decrease of the other, and vice versa. One variable increases, while the other decreases.
The relationship between stress and overall quality of life is a negative kind of correlation, as the increase in stress reduces the overall quality of life.