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The brown summer feathers of ptarmigans, small Arctic birds, are replaced by white feathers after winter arrives. Which statement best explains this observation?
The expression of genes can be modified by the environment.
the effect of environment of gene expression
influence the expression of genetic traits
enzymes
base sequences in DNA are not affected by this activity
the expression of genes may be modified by environmental factors
environments in which they were raised were different enough to affect the expression of their genes
certain genes in the vacuoles of the body cells
The DNA of a human cell can be cut and rearranged by using
The expression of genes can be modified by the environment.
the effect of environment of gene expression
influence the expression of genetic traits
enzymes
base sequences in DNA are not affected by this activity
the expression of genes may be modified by environmental factors
environments in which they were raised were different enough to affect the expression of their genes
certain genes in the vacuoles of the body cells
Plants inherit genes that enable them to produce chlorophyll, but this pigment is not produced unless the plants are exposed to light. This is an example of how the environment can
The expression of genes can be modified by the environment.
the effect of environment of gene expression
influence the expression of genetic traits
enzymes
base sequences in DNA are not affected by this activity
the expression of genes may be modified by environmental factors
environments in which they were raised were different enough to affect the expression of their genes
certain genes in the vacuoles of the body cells
Scientific studies show that identical twins who are separated at birth and raised in different homes may vary in height, weight, and intelligence. The most probable explanation for these differences is that
The expression of genes can be modified by the environment.
the effect of environment of gene expression
influence the expression of genetic traits
enzymes
base sequences in DNA are not affected by this activity
the expression of genes may be modified by environmental factors
environments in which they were raised were different enough to affect the expression of their genes
certain genes in the vacuoles of the body cells
A basketball player develops speed and power as a result of practice. This athletic ability will not be passed on to her offspring because
The expression of genes can be modified by the environment.
the effect of environment of gene expression
influence the expression of genetic traits
enzymes
base sequences in DNA are not affected by this activity
the expression of genes may be modified by environmental factors
environments in which they were raised were different enough to affect the expression of their genes
certain genes in the vacuoles of the body cells
Although identical twins inherit exact copies of the same genes, the twins may look and act differently from each other because
The expression of genes can be modified by the environment.
the effect of environment of gene expression
influence the expression of genetic traits
enzymes
base sequences in DNA are not affected by this activity
the expression of genes may be modified by environmental factors
environments in which they were raised were different enough to affect the expression of their genes
certain genes in the vacuoles of the body cells
In a particular variety of corn, the kernels turn turn red when exposed to sunlight. In the absence of sunlight, the kernels remain yellow. Based on this information, it can be concluded that the color of these corn kernels is due to
The expression of genes can be modified by the environment.
the effect of environment of gene expression
influence the expression of genetic traits
enzymes
base sequences in DNA are not affected by this activity
the expression of genes may be modified by environmental factors
environments in which they were raised were different enough to affect the expression of their genes
certain genes in the vacuoles of the body cells
Hereditary information is stored inside the
The expression of genes can be modified by the environment.
the effect of environment of gene expression
influence the expression of genetic traits
enzymes
base sequences in DNA are not affected by this activity
the expression of genes may be modified by environmental factors
environments in which they were raised were different enough to affect the expression of their genes
certain genes in the vacuoles of the body cells
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