Tetraethylammonium ion blocks the potassium channels when it is applied to the interior of the nerve fiber.

TLS Online TPP Program

#Id: 3526

#Unit 2. Cellular Organization

A point mutation that affects a restriction site is detected by a difference in restriction fragment lengths.

TLS Online TPP Program

#Id: 3527

#Unit 2. Cellular Organization

RFLPs and SNPs can be the basis for linkage maps and are useful for establishing parent–offspring relationships.

TLS Online TPP Program

#Id: 3528

#Unit 2. Cellular Organization

Sections of DNA that are conserved among species can be identified by performing a zoo blot. We use short fragments from the region as labeled probes to test for homologous DNA from a variety of species by Southern blotting.

TLS Online TPP Program

#Id: 3529

#Unit 2. Cellular Organization

Technique that allows genomic fragments to be rapidly scanned for the presence of exons is called exon trapping. 

TLS Online TPP Program

#Id: 3530

#Unit 2. Cellular Organization

When pairs of human 23 and mouse 20 homologs are compared, the genes located on either side also tend to be homologs. This relationship is called synteny

TLS Online TPP Program

#Id: 3531

#Unit 2. Cellular Organization

Synteny provides a framework in which conservation of homologous genes and gene order is identified between genomes of different species