Answer:
A silent mutation is a mutation that is not observable effect on the organism's phenotype.
Explanation:
For example, if a base pair on a strand of dna got switched with another but the amino acid sequence remained the same, it is a silent mutation. Attached is a picture example. I hope this helped!
Adrenal insufficiency is the inadequate production of the adrenocorticotropic hormone (ACTH) and corticotropic hormone by the pituitary and the hypothalamus respectively. The cardiovascular manifestation of this disorder is severe low blood pressure. This is due to the adrenal loss of electrolytes such as potassium through urine and excessive loss of water.
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The two principal body cavities are the dorsal cavity and the ventral cavity.