TLS Online TPP Program

#Question id: 18863


A microscopes resolving power is a function of-

#Unit 13. Methods in Biology
  1. The wavelength of light that was employed
  2. The lens system’s numerical aperture
  3. Index of refraction
  4. Light wavelength and numerical aperture of lens system
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TLS Online TPP Program

#Question id: 13149

#Unit 8. Inheritance Biology

A three point test cross was made between the  st^+-e^+-ss^+  and  st-e-ss , the genotype of the double cross over  will be;  st^+-e-ss^+  and st-e^+-ss. Based on this, determine the order of the genes.

TLS Online TPP Program

#Question id: 13150

#Unit 8. Inheritance Biology

A fruit fly Drosophila melanogaster showing  three point test cross  st+-e+-ss+  was crossed with triplet recessive mutant st-e-ss. The F1 hybrid  was the backcross with the recessive mutant and the phenotype recorded as follows;

The distance in map unit (mu) between  st+  to  e+ and e+ to ss+ is

TLS Online TPP Program

#Question id: 13151

#Unit 8. Inheritance Biology

A series of two-point crosses were carried out among five loci (a, b, c, d and e) producing the following recombination frequencies. Using these recombination frequencies, map these five loci, showing  their linkage groups, the order of the loci in each linkage group is;

What is the correct order of the loci?

TLS Online TPP Program

#Question id: 14922

#Unit 8. Inheritance Biology

Which is an example of a study that might be done by a transmission geneticist?

TLS Online TPP Program

#Question id: 14923

#Unit 8. Inheritance Biology

Which of the following were key reasons for Mendel's success in elucidating his genetic laws?

TLS Online TPP Program

#Question id: 14924

#Unit 8. Inheritance Biology

Which is NOT a characteristic that made peas useful as a model system for Mendel's studies?