If the duplicate is redundant and does not provide a fitness benefit, it will be lost by deletion or the accumulation of loss of-function mutations.

A second fate is that a duplicate can simply retain its original function.

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#Id: 3251

#Unit 3. Fundamental Processes

5-bromouracil induces transitions in both directions, A:T ↔ G:C.

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#Id: 9386

#Unit 11. Evolution and Behavior

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#Id: 4021

#Unit 2. Cellular Organization

Active genes are often found at the borders of chromosome territories, and active genes from several chromosomes may cluster in inter-chromosomal territories that are enriched in transcription machinery.

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#Id: 9118

#Unit 10. Ecological Principles

The predator zero isocline

A specific number of prey will keep the predator population at zero growth.

N=m/es

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#Id: 2359

#Unit 5. Developmental Biology

First possible mechanisms for neoblast specification during regeneration:

A single pluripotent neoblast is responsible for generating new cell progenitors that form the multipotent cells of the blastema.