This recombinational event is catalyzed by a set of enzymes, many of which are also involved in nonhomologous end joining (NHEJ) DNA repair functions that occur in all cells.

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#Id: 6445

#Unit 8. Inheritance Biology

To obtain a lod score, we calculate 

the probability of obtaining the observed results under the assumption that the genes are linked with a specified degree of recombination

the probability of obtaining the observed results under the assumption of independent assortment.

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#Id: 9597

#Unit 11. Evolution and Behavior

Homo habilis – First tool maker

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#Id: 3495

#Unit 12. Applied Biology

Chromosome doubling of haploid plants produced by anther culture generates homozygous lines.

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#Id: 577

#Unit 2. Cellular Organization

Promoter mutations are also cis-acting. If they prevent RNA polymerase from binding at P-lac, the structural genes are never transcribed.

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#Id: 7021

#Unit 5. Developmental Biology

The adult stem cell is housed in and controlled by its own adult stem cell niche, which regulates stem cell self-renewal, survival, and differentiation of those progeny that leave the niche.