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Home Q & A Board Biology-Related Homework Help Anatomy and Physiology
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cheve cheve
wrote...
13 years ago
Hi, i have this question for genetics but i think it can be related to phyiology, any help would be appreciate  Sad Dummy

Explain why a certain mutation in a genome may not continue to be beneficial after an environmental stressor is removed.

thanks for ur help
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wrote...
#1
Staff Member
13 years ago
really good question!

There are always always contains certain costs and benefits with new genes. In some cases, expression of a mutated gene may be very costly in some aspects. However, if this mutation allows for survival and reproduction, the benefit outweighs the cost. On the other hand if the environmental stressor is removed, the cost may exceed the benefit. Those individuals with the mutation now lose the advantage because they are ?spending? resources on a useless protein rather than one of current benefit.
- Master of Science in Biology
- Bachelor of Science
cheve Author
wrote...
#2
13 years ago
A+ for you! u answerecd it perfectly  Grinning Face much thanks
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