TLS Online TPP Program

#Question id: 241


In DNA, phosphodiester bonds form with hydroxyl groups of carbons number ________ and ________ of each deoxyribose sugar.

#Unit 1. Molecules and their Interaction Relevant to Biology
  1.  2ʹ; 3ʹ

  2. 2ʹ; 4ʹ   

  3. 3ʹ; 4ʹ 

  4. 3ʹ; 5ʹ

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TLS Online TPP Program

#Question id: 4905

#Unit 8. Inheritance Biology

Which of the correct feature of genetic material effect?

TLS Online TPP Program

#Question id: 4906

#Unit 8. Inheritance Biology

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

#Unit 8. Inheritance Biology

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

#Unit 8. Inheritance Biology

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

#Unit 8. Inheritance Biology

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

TLS Online TPP Program

#Question id: 4910

#Unit 8. Inheritance Biology

For a trait known to be caused by a mitochondrial gene variant, there may be an occasional female that can transmit different phenotypes to her progeny on an apparently random basis. What situation might you suspect?