TLS Online TPP Program

#Question id: 18741


At times it is observed that non-recombinant plasmids are more than that of recombinant plasmids. Choose the correct statement in regard to it.

#Unit 13. Methods in Biology
  1. It makes easier to get the recombinant plasmids from the mixture
  2. The ratio of insert DNA to vector DNA is reduced to get recombinant plasmids
  3. Alkaline phosphatase is used to get recombinant plasmids
  4. Alkaline phosphatase method is less reliable in comparison to the ratio method
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TLS Online TPP Program

#Question id: 14995

#Unit 4. Cell Communication and Cell Signaling

NKT Cells, which share features with both conventional T lymphocytes and NK cells,
Statement-I) Like T-cells, NKT Cells have T-cell receptors (TCRs), and some express CD4.
Statement-II) Like NK cells, NKT Cells have antibody receptors  
Statements-III) they are APCs
Given above statements, which is sharing correct features of NKT cells?

TLS Online TPP Program

#Question id: 14996

#Unit 8. Inheritance Biology

Which of the following most accurately restates Mendel's law of segregation?

TLS Online TPP Program

#Question id: 14997

#Unit 8. Inheritance Biology

You capture several interesting insects from a population in your yard. By inbreeding, you develop true breeding strains that differ only in the shape of their wings - one strain has round wings while the other strain has oval wings. How might you demonstrate that Mendel's principles apply to your insects?

TLS Online TPP Program

#Question id: 14998

#Unit 8. Inheritance Biology

You set up a monohybrid cross between true breeding round winged and true breeding oval winged insects. Your F1 offspring have round wings, and you collect the following numbers of F2: Round wings: 302; Oval wings: 86. Which of the following statements is NOT correct?

TLS Online TPP Program

#Question id: 14999

#Unit 8. Inheritance Biology

I know that black coat color in mice is dominant to albino. Black mice get a higher price at the pet store so I am disappointed when I cross a black mouse with an albino mouse and get 6 albino and 2 black mice in the litter. I expected all black. What mistake did I make?

TLS Online TPP Program

#Question id: 15000

#Unit 8. Inheritance Biology

I do a chi square analysis of the offspring from my cross of a black mouse and albino mouse. If the black mouse was heterozygous I should have expected a 1:1 ratio, and I got 6 albino and 2 black mice. What is my chi square value?