TLS Online TPP Program

#Question id: 5753


A bacterial histidine mutant was plated on minimal medium and a single colony grew. You decide to sequence the histidine biosynthetic gene of the revertant and discover that the original mutation is still present.  This colony must have been able grow due to a

#Unit 8. Inheritance Biology
  1. forward mutation

  2. suppressor mutation

  3. auxotrophic mutation

  4. back mutation

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TLS Online TPP Program

#Question id: 33505

#Unit 2. Cellular Organization

Identification process of the presence of exons are hampered by

TLS Online TPP Program

#Question id: 33506

#Unit 2. Cellular Organization

A. Gene order is much less conserved compared with gene sequences
B. Comparative genomics is the comparison of gene order
C. Synteny analysis is a best way to analyze gene order
D. comparison of syntenic relationships is normally carried out between relatively close lineages.

Find correct order of true and false combination

TLS Online TPP Program

#Question id: 33507

#Unit 2. Cellular Organization

A. Non-Mendelian inheritance is defined by the failure of the offspring of a mating to display Mendelian segregation for parental characters. 
B. For Non-Mendelian inheritance, presence of genes that are outside the nucleus and are not distributed to gametes or to daughter cells by segregation on the meiotic or mitotic spindles.

TLS Online TPP Program

#Question id: 33508

#Unit 2. Cellular Organization

Suppose that, in a female organism, damage to one mitochondrial genome occurs in a germ cell from which oocytes develop, such that the germ cell contains mainly mitochondria with wild-type genes but one mitochondrion with a mutant gene. Its inheritance will be

TLS Online TPP Program

#Question id: 33509

#Unit 2. Cellular Organization

Figure given shows


TLS Online TPP Program

#Question id: 33510

#Unit 2. Cellular Organization

Myoclonic epilepsy with ragged-red fiber disease (MERRF) is caused by a mutation in the mitochondrial gene called as