TLS Online TPP Program

#Question id: 4724


Which of the following are true about crossing over ?

#Unit 8. Inheritance Biology
  1. crossing over lead to homologous chromosome become identical

  2. crossing over lead to non-sister chromosome become identical

  3. crossing over lead to sister chromosome become identical

  4. crossing over lead to sister chromosome become non-identical

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TLS Online TPP Program

#Question id: 26445

#Unit 3. Fundamental Processes

In transcription-coupled repair (TC-NER) TFIIH, itself a large complex, which includes the products of two XP genes, XPB and XPD, which of the following is correctly representing the function of XPB and XPD

TLS Online TPP Program

#Question id: 12193

#Unit 6. System Physiology – Plant

Naturally occurring auxin transport inhibitors are___

TLS Online TPP Program

#Question id: 5712

#Unit 8. Inheritance Biology

In each of the following cases, determine the consequences of a single crossover within the inverted region of a pair of homologous chromosomes with the gene order A B C D in one chromosome and a c b d in the other. There is a two situation of centromere for that gene. 

(A) Centromere is not included within the inversion.

(B) Centromere is included within the inversion

Following consequence are resulting are

I - The crossover chromatids consist of a dicentric and an acentric

II- One Cross over product is duplicated for the terminal region contain in A and deficient for the terminal region containing D

III- Both cross over products is monocentric

Following is correct combination for consequence?

TLS Online TPP Program

#Question id: 3891

#Unit 3. Fundamental Processes

Protein amino acid side chains can hydrogen bond in the major groove of DNA, and discriminate between each of the four possible base pairs.  In which one of the following groups of amino acids can all three members potentially be used in such DNA-protein recognition?

TLS Online TPP Program

#Question id: 28305

#Unit 5. Developmental Biology

Molecular processes of capacitation prepare the sperm for the acrosome reaction and enable the sperm to become hyperactive, which one is not the event of molecular processes___