TLS Online TPP Program

#Question id: 23708


In order to identify a specific restriction fragment using a probe, what must be done?

#Unit 13. Methods in Biology
  1. The fragments must be separated by electrophoresis.
  2. The fragments must be treated with heat or chemicals to separate the strands of the double helix.
  3. The probe must be hybridized with the fragment.
  4. A, B, and C are correct.
More Questions
TLS Online TPP Program

#Question id: 29018

#Unit 11. Evolution and Behavior

The average numbers of offspring produced by three genotypes are: A1A1=6, A1A2=3, A2A2=2, What will be the selection coefficient of theses allele?

TLS Online TPP Program

#Question id: 29019

#Unit 11. Evolution and Behavior

If a population of fruit flies has an initial frequency of G equal to 0.3, calculate the proportionate contribution of genotypes to population from given data;

TLS Online TPP Program

#Question id: 29020

#Unit 11. Evolution and Behavior

If the given proportionate contribution of genotypes to the population is  p2WFF=0.04,  2pqWFS=0.16,  q2WSS=0.16, then what will be the Relative genotypic frequency after selection:

TLS Online TPP Program

#Question id: 29021

#Unit 11. Evolution and Behavior

A researcher measures mandible length of 500 individuals in a bird's species, given depicted graph of these population is represents;

TLS Online TPP Program

#Question id: 29022

#Unit 11. Evolution and Behavior

In a given population(A) W11=W12>W22 and  Population (B) W11=W12<W22 , the natural selection will favour;
I- Population A showing directional selection against recessive allele A2, A1 fitness increases
II-Population B showing directional selection against dominant allele A1, A2 fitness increases
III- natural selection rapidly favour population A than population B

TLS Online TPP Program

#Question id: 29023

#Unit 11. Evolution and Behavior

Magnitude of genetic drift is dependent on two factor such as frequency of allele as well as population size, which of the following is correct?

a) decrease population size leads to increasing the magnitude of genetic drift

b) maximum magnitude are seeing whenever p=q

c) maximum magnitude are seeing whenever p>q

d) increasing population size also increasing the magnitude of genetic drift