Match the process to the step in producing a transgenic plant using the Ti plsmid method. 45. Agene is isolated and the process starts. 46. The recombinant DNA has this so it can be found later. 47. The plasmid enters here. 48. A tumefaciens infects target organism. 49. The selectable marker allows transgenic plants to survive antibiotic. 50. Transgenic plant cells are isolated. 51. Transgenic plants are prepared for life in the soil. Kanamycin is added to culture. b. A selectable marker makes the cell resistant to kanamycin. a. e. The isolated transgenic cells are grown into multicellular organisms. Ti plasmid picks up gene of interest. Bacterium Agrobacterium tumefaciens takes this up. f. Antibiotics kill any remaining bacteria. g. The host plant is selected and exposed to the new DNA. d.
Molecular Techniques
Molecular techniques are methods employed in molecular biology, genetics, biochemistry, and biophysics to manipulate and analyze nucleic acids (deoxyribonucleic acid (DNA) and ribonucleic acid (RNA)), protein, and lipids. Techniques in molecular biology are employed to investigate the molecular basis for biological activity. These techniques are used to analyze cellular properties, structures, and chemical reactions, with a focus on how certain molecules regulate cellular reactions and growth.
DNA Fingerprinting and Gel Electrophoresis
The genetic makeup of living organisms is shown by a technique known as DNA fingerprinting. The difference is the satellite region of DNA is shown by this process. Alex Jeffreys has invented the process of DNA fingerprinting in 1985. Any biological samples such as blood, hair, saliva, semen can be used for DNA fingerprinting. DNA fingerprinting is also known as DNA profiling or molecular fingerprinting.
Molecular Markers
A known DNA sequence or gene sequence is present on a chromosome, and it is associated with a specific trait or character. It is mainly used as a genetic marker of the molecular marker. The first genetic map was done in a fruit fly, using genes as the first marker. In two categories, molecular markers are classified, classical marker and a DNA marker. A molecular marker is also known as a genetic marker.
DNA Sequencing
The most important feature of DNA (deoxyribonucleic acid) molecules are nucleotide sequences and the identification of genes and their activities. This the reason why scientists have been working to determine the sequences of pieces of DNA covered under the genomic field. The primary objective of the Human Genome Project was to determine the nucleotide sequence of the entire human nuclear genome. DNA sequencing selectively eliminates the introns leading to only exome sequencing that allows proteins coding.
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