TLS Online TPP Program

#Question id: 784


Which is not a difference between B-DNA and A-DNA?

#Part-B Specialized Branches in Biotechnology
  1. A-DNA forms under more dehydrating conditions than B-DNA.

  2. For polynucleotide strands containing the same number of nucleotides, the A-DNA strand will be shorter from end-to-end than the corresponding B-DNA

  3. Both are helical, but B-DNA is right-handed and A-DNA is left-handed.

  4. The planes of the nitrogenous bases are not perpendicular to the helix axis in A-DNA.

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TLS Online TPP Program

#Question id: 4904

#Part-A Aptitude & General Biotechnology

Which one of the following statements is INCORRECT regards cytoplasmic inheritance?

TLS Online TPP Program

#Question id: 4905

#Part-A Aptitude & General Biotechnology

Which of the correct feature of genetic material effect?

TLS Online TPP Program

#Question id: 4906

#Part-A Aptitude & General Biotechnology

Shell coiling is a maternal effect phenotype controlled by S gene where S is dominant dextral phenotype over s sinistral phenotype. Dextral coiling Ss male snail was cross with sinistral coiling ss female snail, The phenotype of progeny is 

TLS Online TPP Program

#Question id: 4907

#Part-A Aptitude & General Biotechnology

Two corn plants are studied. One is resistant (R) and the other is susceptible (S) to a certain pathogenic fungus. The following crosses are made, with the results shown

R male X S female = all S progeny

R female X S male = all R progeny

Which of the following are correct about inheritance?

TLS Online TPP Program

#Question id: 4908

#Part-A Aptitude & General Biotechnology

Shell coiling of the snail is maternal effect phenotype control by S gene, where S Dextral is dominant over s sinistral. If snail sinistral coiled shell, which of the following statement is true

TLS Online TPP Program

#Question id: 4909

#Part-A Aptitude & General Biotechnology

A pattern of transmission where all offspring have the same phenotype as their mother is consistent with which type of non-Mendelian inheritance?