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Review Early+man questions-11

Review Early+man questions-11 - PCB4522 spring 2011 Review...

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PCB4522 spring 2011 Review questions: first day of class “Genetics of early man-second exodus from Africa” 1. When did anatomically modern humans probably first appear? More than 500,000 ya 2. Did Neanderthals have the modern configuration of the larynx and windpipe? They were anatomically modern but not behaviorally modern 3. What two actions can all vertebrates, with the exception of adult Homo sapiens , perform simultaneously? Swallow and breathe at the same time, when we are born we can do that and when we are 2 weeks old, we start to get the movement of the larynx and voice box, down into the throat and the epiglottises blocks that bronchial channel from the digestive system and the price we pay is that we often chock on our food trying to breathe and swallow at the same time. 4. What’s the difference between synonymous and nonsynonymous mutations? Synonymous is when the DNA coding is changed but the proteins are not changed and nonsynonymous i s when you have change in the DNA which results in the change of the proteins and, which the probable reason for evolution 5. What transcription factor has undergone comparatively rapid evolution in humans,
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