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#Question id: 5836


Nonreciprocal recombination, or ___, results from DNA repair synthesis that occurs during the recombination process.

#Unit 8. Inheritance Biology
  1. crossing over

  2. gene conversion

  3. mutation

  4. heteroduplex

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TLS Online TPP Program

#Question id: 15191

#Unit 8. Inheritance Biology

Genes that control coat color in mammals represent some of the best early examples of genes with multiple alleles exhibiting different phenotypes. A classic example is the C gene in hamsters. Three of the known alleles of this gene are C, ck and ca. Each supplies a different amount of black pigment to the coat hair. The phenotypes of three different homozygous strains are as follows.
Based on the concepts of dominance, determine whether ck and ca were dominant or recessive alleles by crossing the true-breeding sepia hamsters to true-breeding black hamsters. From the resulting F1 progeny phenotype, what would be the ratio of F2 phenotype

TLS Online TPP Program

#Question id: 26436

#Unit 3. Fundamental Processes

Microsatellite instability is caused by the mutation in

TLS Online TPP Program

#Question id: 23473

#Unit 1. Molecules and their Interaction Relevant to Biology

Two main types of Computer Chips are

TLS Online TPP Program

#Question id: 1382

#Unit 4. Cell Communication and Cell Signaling

Following statements are regarding to cell-cell and cell–extracellular matrix junctions and their adhesion molecules.

A. Adherens junctions and desmosomes are integrin-containing anchoring junctions that bind the membranes of adjacent cells, giving strength and rigidity to the entire tissue.

B. Hemidesmosomes are cadherin-containing anchoring junctions that attach cells to elements of the underlying extracellular matrix.

C. Integrins are a large family of αβ heterodimeric cell-surface proteins that mediate both cell-cell and cell-matrix adhesions and inside-out and outside-in signaling in numerous tissues.

D. Tight junctions block the diffusion of proteins and some lipids in the plane of the plasma membrane, contributing to the polarity of epithelial cells. They also limit and regulate the extracellular (paracellular) flow of water and solutes from one side of the epithelium to the other.

Which of the following statements are incorrect?

TLS Online TPP Program

#Question id: 23415

#General Aptitude

Montreal protocol is related to