Lab 2 - Introduction

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One of the things that intrigues me the most about genetics is that genetics seems  to be set up specifically for evolution.  If any species was bereft of the ability to pass on  random genes to their offspring, then the evolution would be impossible and any species  would not be able to survive if their environment ever underwent a drastic change.  One  way of thinking could be that the perfect species would be able to create offspring exactly  like itself.  If the species were perfectly adapted for their environment, this could actually  be beneficial for that species.  However, the moment that the environment altered, the  species would either be greatly depleted or become extinct all together.  Perhaps this is  the reason that life on earth took so long to occur.  Perhaps the original bacteria created  offspring identical to themselves and so were unable to adapt to the environment, leading  inevitably to their extinction.  Thus, in essence, organisms were forced to evolve into  having the ability to evolve.  Also, perhaps the most important attribute to life is the  evolution process.  In order for life to exist and flourish on the earth, the life must be able  to easily and, perhaps more importantly, quickly evolve. Genetics makes this possible by allowing the environment to play a major role on  the specific attributes of a species.  If a moth with a certain pigment is more susceptible  to predators than a moth with a different pigment, the first moth will become scarcer and  possibly extinct, allowing the other moth species to become more abundant.  Consider 
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This note was uploaded on 10/12/2011 for the course BIOLOGY 100 taught by Professor Smith during the Spring '11 term at South Carolina Upstate.

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Lab 2 - Introduction

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