Practice Questions

TLS Online TPP Program

#Question id: 15146

You have isolated a set of five yeast mutants that form dark red colonies instead of the usual white colonies of wild-type yeast. You cross each of the mutants to a wild-type haploid strain and obtain the results shown below;
What do these results tell you about each of the mutants?

#Unit 8. Inheritance Biology

All the mutants 1, 2, 3, 4 and 5 are recessive to wild-type .
Mutants 1, 2, 3 and 5 are recessive to wild-type and mutant 4 is dominant to wild-type.
Mutant 4 is recessive to the wild type while the mutant 1, 2, 3 and 5 are recessive to wild-type.
Mutants 1, 2, 3 and 5 are dominant to wild-type and mutant 4 is recessive to wild-type

More Questions

TLS Online TPP Program

#Question id: 1242

#Unit 4. Cell Communication and Cell Signaling

Rhodopsin, a light-sensitive GPCR whose role in vision is dependent on its phosphorylation status, is influenced in part by the protein arrestin. Which of the following is TRUE with regard to rhodopsin and vision?

TLS Online TPP Program

#Question id: 24559

#Unit 4. Cell Communication and Cell Signaling

How many gene segments are exist at heavy and the light chain loci?

TLS Online TPP Program

#Question id: 5174

#General Aptitude

Finding the numbers of zeros 1×3×5×7×9×------------------------ ×199.

TLS Online TPP Program

#Question id: 3801

#Unit 3. Fundamental Processes

Why should patients with xeroderma pigmentosum avoid sunlight?