TLS Online TPP Program

#Question id: 699


The three-dimensional conformation of a protein may be strongly influenced by amino acid residues that are very far apart in sequence. This relationship is in contrast to secondary structure, where the amino acid residues are:

#Part-B Specialized Branches in Biotechnology
  1. always side by side.

  2. generally near each other in sequence.

  3. invariably restricted to about 7 of the 20 standard amino acids.

  4. often on different polypeptide strands.

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TLS Online TPP Program

#Question id: 4746

#Part-A Aptitude & General Biotechnology

Two independent pure line varieties having deep red and brown phenotype in their seed coat were cross, the all f1 progeny is deep red. The F2 progeny obtain from selfing show deep red and brown in ratio of 15:1. Which of the following observation is correct?

TLS Online TPP Program

#Question id: 4747

#Part-A Aptitude & General Biotechnology

How does incomplete dominance differ from incomplete penetrance?

TLS Online TPP Program

#Question id: 4748

#Part-A Aptitude & General Biotechnology

Eye color in Drosophila present on X chromosome, Red eye color is dominant over white eye color. There is non disjunction in Meiosis I in female and normal meiosis in male. Female is white eye color was cross with red eye male. What will be expected phenotype in their progeny?

TLS Online TPP Program

#Question id: 4799

#Part-A Aptitude & General Biotechnology

You set up a mapping cross involving your favorite gene (YFG) in Neurospora and determine the following octad types: 4:4 arrangement 83; 2:4:2 arrangement 7; 2:2:2:2 arrangement 10. What is the distance between your gene and the centromere?

TLS Online TPP Program

#Question id: 4800

#Part-A Aptitude & General Biotechnology

You set up a mapping cross involving two genes of interest in Saccharomyces and determine the following tetrad types: 8 nonparentalditype; 12 tetratype; 80 parental ditype. Calculate the most accurate map distance between these two genes.

TLS Online TPP Program

#Question id: 4801

#Part-A Aptitude & General Biotechnology

You set up a mapping cross involving two genes in Aspergillus and determine the following percentages of tetrad types: parental ditype 51%, nonparentalditype 49%. What can you say about your genes?