A genotype that does not affect everyone who inherits it is completely penetrant
Indicate whether the statement is true or false
FALSE
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When the temperature of the preoptic area of the hypothalamus exceeds its thermostat setting,
A) peripheral vasoconstriction occurs. B) skin blood flow increases. C) rate and depth of respiration decreases. D) sweat glands are inhibited. E) blood is shunted to deep veins.
When the forearm is supinated:
a. the pollex is laterally placed. b. the radius and ulna are crossed. c. the little finger is laterally placed. d. the pisiform is facing posteriorly.
Phagocytic cells are attracted to __________, chemical mediators released at the site of damage
Fill in the blank(s) with correct word
Would you expect gene duplication, such as seen in the Hox gene, to lead to significant changes in evolution of traits?
A) No, because a duplicated gene would most likely carry a deleterious mutation. B) No, because a duplicated gene would be identical to the original gene and perform the original function. C) Yes, because one gene would perform a specific function, but duplicated copies could perform new functions. D) Yes, because the Hox gene controls all traits.