TLS Online TPP Program

#Question id: 11933


The excitatory or inhibitory action of a neurotransmitter is determined by which of the following?

#Part-A Aptitude & General Biotechnology
  1. Function of its postsynaptic receptor
  2. Molecular composition
  3. Shape of the synaptic vesicle in which it is contained
  4. Distance between the pre- and post-synaptic membranes
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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?

TLS Online TPP Program

#Question id: 4802

#Part-A Aptitude & General Biotechnology

Why is tetrad analysis useful for studying genetics?