TLS Online TPP Program

#Question id: 3794


An input of energy is not required for which of the following steps of replication?

#Section 3: Genetics, Cellular and Molecular Biology
  1. separating the two DNA strands.

  2. unwinding the coiled DNA.

  3. linking together the individual deoxynucleotides.

  4. All of the above require energy.

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TLS Online TPP Program

#Question id: 3255

#Section 3: Genetics, Cellular and Molecular Biology

The body weight of offspring of bird species is range between 12 gm to 18 gm. In a laboratory experiment, species was subjected to selection pressure having influence on the offspring body weight. After many generations of experimental selection pressure, the body weight range between 16 gm to 24 gm. Which of the following natural selection operate on this species?

TLS Online TPP Program

#Question id: 3255

#Section 3: Genetics, Cellular and Molecular Biology

The body weight of offspring of bird species is range between 12 gm to 18 gm. In a laboratory experiment, species was subjected to selection pressure having influence on the offspring body weight. After many generations of experimental selection pressure, the body weight range between 16 gm to 24 gm. Which of the following natural selection operate on this species?

TLS Online TPP Program

#Question id: 3256

#Section 3: Genetics, Cellular and Molecular Biology

There are three alleles, A1, A2, and A3, whose frequencies are equal abundance. According the Hardy-Weinberg equilibrium

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