Genetic drift 

Genetic drift is an evolutionary force, in which allelic frequency change over generation Just by chance (sampling error). 

The deviations from the expected ratios are random, the direction of change is unpredictable.

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#Id: 9293

#Section 2: General Biology

Ammonium assimilation in roots

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#Id: 10342

#Section 2: General Biology

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#Id: 8131

#Section 2: General Biology

In most mammalian tissues, ubiquinone (also called coenzyme Q) has 10 isoprene units.

Dolichols of animals have 17 to 21 isoprene units (85 to 105 carbon atoms), bacterial dolichols have 11, and those of plants and fungi have 14 to 24.

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#Id: 8358

#Section 3: Genetics, Cellular and Molecular Biology

On Endosomes 

Arp2/3-dependent nucleation of actin filament by An NPF is WASH

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#Id: 8960

#Section 3: Genetics, Cellular and Molecular Biology

Duplicate gene and its parental copy can subfunctionalize so that each carries out only some of the roles that the ancestral gene performed. 

Ex- a duplicate of the β-hemoglobin locus is expressed in the fetus.