Complete Question:
Linda has had several family members die from heart disease-related complications. She realizes she is at high risk for cardiovascular disease, and some of this risk is attributable to her genetic makeup. All of the following are genetic variations that may increase heart disease risk EXCEPT
A. eating a diet high in saturated and trans fat.
B. having abnormally high levels of homocysteine.
C. having elevated blood cholesterol.
Answer:
A. eating a diet high in saturated and trans fat.
Explanation:
The genetic makeup of any human are the genes that are responsible for what the characteristics that the human possesses. It is passed down from the genes of the parents down to the offsprings and one has little or no influence over it.
Of all the options provided, only the option A which talks about Linda’s diet had nothing to do with her genetic makeup, it is completely under the personal control of Linda. The other factors however, are inherited and are determined by genetic makeup.
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The answer is the last option.) All of the above. When working out at a higher intensity, you burn more calories which can cause weight loss, increased heart rate giving you a stronger aerobic workout, and breathe more b=deeply due to the intensity of the workout.
Answer:
This indicates that the expression of genes depends partly on environment.
Explanation:
The case shown in the question is showing a situation where there was a genetic interaction with the environment, resulting that gene expression depends in part on the environment.
Gene and environmental interactions are revealed by penetrance and expressiveness. Penetrance is the percentage of individuals with a given gene that have a phenotype linked to this gene, such as children and parents who have the same height. In cases of penetrance, a genotype may not express the expected phenotype due to gene influences and environmental effects, as happened to the couples' children shown in the question.
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