TLS Online TPP Program

#Question id: 11643


Rapid changes to skin color in many vertebrates is under the control of ________.

#Part-B Specialized Branches in Biotechnology
  1. melanocyte-stimulating hormone
  2. adrenocorticotropic hormone
  3. thyroxine
  4. melatonin
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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?