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book Biology 8th Edition by Kenneth Mason ,Jonathan Losos,Susan Singer,Peter Raven,George Johnson cover

Biology 8th Edition by Kenneth Mason ,Jonathan Losos,Susan Singer,Peter Raven,George Johnson

Edition 8ISBN: 978-0077536848
book Biology 8th Edition by Kenneth Mason ,Jonathan Losos,Susan Singer,Peter Raven,George Johnson cover

Biology 8th Edition by Kenneth Mason ,Jonathan Losos,Susan Singer,Peter Raven,George Johnson

Edition 8ISBN: 978-0077536848
Exercise 4
The loss of functional olfactory receptor (OR) genes in humans compared with chimps may be explained by reliance on other sensory systems and therefore weakened selection against individuals that lose olfactory capabilities. Could natural selection work in any other way to decrease the number of human OR genes without selecting for OR function in chimps
Explanation
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Certain genomes evolve by loss of gene f...

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Biology 8th Edition by Kenneth Mason ,Jonathan Losos,Susan Singer,Peter Raven,George Johnson
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