What would be required to prove that a phenotype is caused by an epigenetic change? a-the phenotype must be heritable with modified chromatin and an unaltered nucleotide sequence. b-the phenotype must be unexplained by known genetic mechanisms. c-the phenotype must be the result of a nucleotide change that is present in one gender but not the other. d-the phenotype must be passed to progeny only through the maternal dna. e-the phenotype must be reversible in the presence of mutagenic compounds.

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If these are the missing choices: a. to determine skin temperature, place the back of your hand against the patient's skin.b. determine body temperature by touching the patient's hands and feet.c. skin temperature will tell you very little about this patient's condition or well-being.d. the patient's skin temperature and color will likely be warm and red.my answer is: a. to determine skin temperature, place the back of your hand against the patient's skin. using the back of the hand to check for temperature rather than the palm is more effective because the back of the hand has more nerves that can feel and transmit the temperature than the palm.