DUPLICATE RECESSIVE EPISTASIS(9:7): Duplicate recessive epistasis, in which two recessive alleles at either of two different loci can suppress a phenotype.

TLS Online TPP Program

#Id: 7207

#Unit 5. Developmental Biology

IL-4 increases expression of class II molecules in resting B cells, turning them into more efficient APCs.

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#Id: 7035

#Unit 11. Evolution and Behavior

Neo-Lamarckism - August Weismann cut off the tails of mice for many generations and showed that this mutilation had no effect on the tail length of their descendants

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#Id: 8986

#Unit 11. Evolution and Behavior

Calculation of Allelic Frequencies

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#Id: 5432

#Unit 7. System Physiology – Animal

Action potentials are the primary electrical responses of neurons and other excitable tissues, and they are the main form of communication within the nervous system.

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#Id: 4610

#Unit 13. Methods in Biology

Normal cells treated with sodium chromate allowed to absorb and induced to death signals as T-CTLs Death of the target cells is indicated by the release of 51Cr into the supernatant