Homozygous yellow and round seed was crossed with green and wrinkle seed plant. All F1 offspring having yellow and round seed plant were allowed to self fertilization. What is the proportional of F2 plant heterozygous for both characters?

TLS Online TPP Program

#Question id: 18697

#Unit 13. Methods in Biology

Knockout mice are created by

TLS Online TPP Program

#Question id: 18698

#Unit 13. Methods in Biology

Plasmid G is cut with the restriction enzymes EcoRi, BamHI, and HindIII in various combinations. The sizes of the resulting fragments are seen in the table below.

 

Which of the following is an accurate representation of Plasmid G?

TLS Online TPP Program

#Question id: 18699

#Unit 13. Methods in Biology

BamHI recognizes 6 base pairs of DNA in a palindromic DNA sequence. If the first part of the sequence is given below, what is the rest of it?

TLS Online TPP Program

#Question id: 18700

#Unit 13. Methods in Biology

A student adds Taq Polymerase, nucleotides, and primer to a test tube. What procedure are they most likely going to do next?

TLS Online TPP Program

#Question id: 18701

#Unit 13. Methods in Biology

PCR (polymerase chain reaction) is an excellent method of generating copies of target DNA. If a single piece of double stranded DNA (dsDNA) is put into a PCR machine, how many dsDNA segments will there be after 3 rounds?

TLS Online TPP Program

#Question id: 18702

#Unit 13. Methods in Biology

What would be the effect on the PCR reaction if any of the following circumstances arose: 1) there are no primers in the reaction, 2) there are no dNTPs in the reaction, 3) there is no Taq polymerase in the reaction?