TLS Online TPP Program

#Question id: 14138


BLAST uses heuristics to align a query sequence with all sequences in a database. 
Reason(R): BLASTX uses protein sequences as queries to search against a protein sequence database.

#Section 7: Recombinant DNA technology and Other Tools in Biotechnology
  1. Both, A and R, are true and R is the correct explanation of A
  2. Both, A and R, are true but R is not the correct explanation of A
  3. If A is true but R is false
  4. If A is false, but R is true
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TLS Online TPP Program

#Question id: 3257

#Section 3: Genetics, Cellular and Molecular Biology

Which of the following statements about evolution is NOT true?

TLS Online TPP Program

#Question id: 3258

#Section 3: Genetics, Cellular and Molecular Biology

Which of the following incorrect about genetic drift

TLS Online TPP Program

#Question id: 3259

#Section 3: Genetics, Cellular and Molecular Biology

Different type of evolution leads to group of taxon in following three manners

A- group of taxon whose member have descended from common ancestor

B- when two lineages convergently  evolve similar character states form  groups that are recognized by pheneticists

c. taxon that include most recent ancestor but not all of its descendent

TLS Online TPP Program

#Question id: 3260

#Section 3: Genetics, Cellular and Molecular Biology

Consider a diploid population at Hardy-Weinberg equilibrium. For a locus with two alleles, the frequency of the A1A1 genotype is 0.04) The frequency of A2 allele is

TLS Online TPP Program

#Question id: 3261

#Section 3: Genetics, Cellular and Molecular Biology

A parent population (P) is change into daughter populations (Q) which grow in habitats. After 1000 generations, the equilibrium frequency distribution of of the daughter populations is shown in the figure below. For reference, the vertical line represents the mean of the parent population. Which type of natural selection?

TLS Online TPP Program

#Question id: 3262

#Section 3: Genetics, Cellular and Molecular Biology

In a population, the genotype frequencies are: f(A1A1)= 0.35; f(A1A2) = 0.30; f(A2A2) = 0.35; Which of the following statement is correct?