Two sugars that differ in configuration at only one chiral center are described as epimers.

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#Id: 2179

#XL - T Zoology

Genetic drift and directional selection will eventually result in fixation of allele.

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#Id: 2180

#XL - T Zoology

Natural selection increases or decrease divergence among populations.

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#Id: 2181

#XL - T Zoology

Evolution by natural selection occurs if Genetic variation must leads by Ecotypes. Ecophene is not be selected by natural selection

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#Id: 2182

#XL - T Zoology

Change in environmental condition is not necessary for natural selection.

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#Id: 2205

#XL - T Zoology

Before Darwin

Christians interpreted- “special creation”

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#Id: 2206

#XL - T Zoology

Carolus Linnaeus- Classified “related” species into genera, “related” genera into orders, and so on.