Which is an example of environmental influence on gene expression?

Which is an example of environmental influence on gene expression?

Drugs and Chemicals The presence of drugs or chemicals in an organism’s environment can also influence gene expression in the organism. Cyclops fish are a dramatic example of the way in which an environmental chemical can affect development.

How do environmental factors affect genes?

Environmental factors such as food, drugs, or exposure to toxins can cause epigenetic changes by altering the way molecules bind to DNA or changing the structure of proteins that DNA wraps around.

Can phenotypes be changed by the environment?

As the environment varies, organisms adapt by changing their phenotypes, including morphological and behavioral traits. Such phenotypic responses to the environment are modified through the process of evolution, which gives rise to different forms of adaptation.

How can environmental factors affect a phenotype?

How environmental factors affect phenotype. Your genes carry the instructions for the growth and development of your body. However, your phenotype is influenced during embryonic development and throughout your life by environmental factors. Environmental factors are many and varied and include diet, climate, illness and stress

What are examples of environment affecting phenotype?

Environment can impact phenotype, by changing it. For example, if your in sunlight it can affect your hair, skin, and freckles. For example, if you have nutrients it can affect your height, weight, and shape.

How can the environment influence your phenotypes?

Genotype: The phenotype is limited by the genotype. An organism can’t display a characteristic if there is no gene for it.

  • Epigenetics: Epigenetics affects the expression of genes.
  • Environment: The environment can affect traits directly by changing the behavior or appearance of an organism while the corresponding gene is unchanged.
  • How does the environment effect your phenotype?

    The environment certainly affects the phenotype – spend time outside in the sun and your skin darkens. Work hard and you skin thickens and muscles bulk up. Changes in genotype are related to mutation and are unpredictable.