the following passage describes the effects of a gene mutation. read the passage and then follow the…

the following passage describes the effects of a gene mutation. read the passage and then follow the instructions below.\n\nas in humans, hunger in mice depends on how much food a mouse has eaten. when a mouse eats, its hunger is controlled by the leptin receptor protein.\n\nthe leptin receptor protein receives signals from the mouses body when the mouse eats. the leptin receptor protein then sends signals to the brain, telling it that the mouse is full. the leptin receptor protein is encoded by the $ob-r$ gene.\n\na certain mouse had a mutation in the $ob-r$ gene. compared to the $ob-r$ gene without a mutation, the mutated $ob-r$ gene encoded a form of the leptin receptor protein with a different structure.\n\nthis different form of the leptin receptor protein was unable to send signals to the mouses brain. this mouse continued to eat as if it did not feel full. as a result, the mouse ate a large amount of food and became obese.\n\ncomplete the sentence.\n\nthe mutation caused the $ob-r$ gene to encode a form of the leptin receptor protein that ________ to the mouses brain.\n\ncould not send signals\n\ncould send more signals

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