If the foods preferred by each species are found on different parts of the island, and if the flies mate and lay eggs on their food sources, regardless of the location of the food sources, then the speciation events involving these fly species may have been driven, at least in part, by which of the following?

TLS Online TPP Program

#Question id: 5259

#Unit 8. Inheritance Biology

Genetic variation in bacterial populations cannot result from

TLS Online TPP Program

#Question id: 5471

#Unit 8. Inheritance Biology

A plant height in Maize is control by 3 pair of polygene. Two varieties of maize averaging 120 and 90 inches in height, respectively, are crossed. The F1 progeny is quite uniform averaging 105 inches in height. What will be height phenotype of F2 progenies ?

TLS Online TPP Program

#Question id: 18808

#Unit 13. Methods in Biology

What would happen if serum is omitted from the ELISA, but all other steps remain same?

TLS Online TPP Program

#Question id: 27572

#Unit 1. Molecules and their Interaction Relevant to Biology

Nitrogenous Base pairs & aromatic amino acids stack together through pi, pi-electronic interactions, These stacking interactions are best example of

TLS Online TPP Program

#Question id: 19303

#Unit 12. Applied Biology

A typical plant gene has the following regions 

(i) Promoter

(ii) enhancer/silencer

(iii) Cap site 

(iv) Translated region  

(v) Initiation codon

(vi) Exons 

(vii) intron

(viii) Stop codon

(ix) Poly (A) tail

Which of the following option is incorrect?