Restriction fragment length polymorphisms in genetic improvement: methodologies, mapping and costs.

Area of Science:

• Genetics
• Molecular Biology
• Biotechnology

Background:

• Restriction fragment length polymorphisms (RFLPs) are a novel class of genetic markers.
• RFLPs are detected using restriction endonucleases and cloned DNA probes.
• These polymorphisms possess desirable genetic characteristics for breeding programs, including lack of dominance and multiple allelic forms.

Purpose of the Study:

• To describe the nature and detection methodologies of RFLPs.
• To estimate the costs associated with RFLP determination.
• To evaluate the anticipated costs of applying RFLPs to genome mapping and genetic improvement.

Main Methods:

• Utilizing restriction endonucleases to cleave DNA at specific sites.
• Employing cloned DNA probes to detect specific homologous DNA fragments.
• Analyzing RFLP data for genome mapping and genetic improvement applications.

Main Results:

• RFLPs are expected to be numerous and possess advantageous genetic traits for breeding.
• Methodologies for RFLP detection are detailed, with cost estimations provided.
• Anticipated costs for genome mapping and genetic improvement using RFLPs appear commensurate with their value.

Conclusions:

• RFLPs are a powerful tool for genetic research and breeding applications.
• The cost-benefit analysis suggests RFLPs are economically viable for various uses.
• Applications range from varietal identification to marker-assisted selection in plants and livestock.