Answer:
Mutational effects can be beneficial, harmful, or neutral, depending on their context or location. Most non-neutral mutations are deleterious. In general, the more base pairs that are affected by a mutation, the larger the effect of the mutation, and the larger the mutation's probability of being deleterious.
Explanation:
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Answer: to my knowledge I believe it is C.
Answer: to my knowledge I believe it is B.
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Answer:
True
Explanation:
The calcitonin/calcitonin gene-related peptide (CALCA) gene is used to encode different peptide sequences (i.e., calcitonin hormone, calcitonin-related peptides and katacalcin) through alternative RNA splicing. These peptides have different functions. Calcitonin is a hormone mainly produced by cells of the thyroid gland, which is involved in the control of levels of calcium and phosphate in the blood. Moreover, katacalcin is a peptide synthesized from the same precursor of calcitonin (and therefore also mainly produced by cells of the thyroid gland), which is implicated in both calcium regulation and skeletal maintenance. Finally, the calcitonin gene-related peptide (CGRP) is a peptide mainly produced by sensory nerves (type Aδ fibers ), which is involved in pain pathways. The CALCA gene has attracted considerable attention from geneticists because it is specifically expressed in neuroendocrine tissues in normal conditions and abnormally induced in septic conditions (i.e., during the body's extreme response to an infection).
The complete question is:
Which example below is not<span> a concern related to the debate over plant biotechnology? </span>
<span><span>A) human health issues (such as allergies) associated with transgenic crops</span><span>
B) novel organisms will be introduced into the biosphere</span><span>
C) effects on nontarget organisms, such as insects that feed on nearby plants</span><span>
<span>D) Bt maize contains high levels of the cancer-causing toxin fumonisin</span></span><span>
E) introduced genes leading to the creation of "superweeds"
The correct answer is D) </span></span>Bt maize contains high levels of the cancer-causing toxin fumonisin<span> </span><span>
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