Implications Of The Genetic Gene And Recombinant DNA

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Recombinant DNA is genetically engineered DNA that is formed by splicing fragments of DNA. Organismal cloning is the artificial creation of a new organism that is genetically identical to its counterpart. DNA cloning is a recombinant DNA technique where cDNAs and fragments of genomic DNA are inserted into a cloning vector and maintained during growth of the host cells. Vector is an agent that transfers genetic material into a cell or organism. Restriction enzymes are bacterial enzymes that find restriction sites and cleaves DNA. restriction enzymes and DNA ligase are utilized to produce recombinant DNA molecules. DNA ligase catalyzes formation of 3′ and 5′ end phosphodiester bonds. Plasmids are extrachromosomal DNA molecules capable of independent …show more content…
Speciation is the origin of new species. Species are a group of closely related organisms. The Biological Species Concept is a group of populations whose members have the potential to interbreed in nature and produce viable, fertile offspring. Fertile means the ability to produce offspring. Viable is the capability of life. Diversity is the degree of variation of living things present. Diversification is the process by which the diversity of plants or animals develops and is increased within a region. Reproductive isolation is when a group of populations whose members have the potential to interbreed are unable due to geographical, behavioral, physiological, or genetic barriers or differences. Reproductive isolation prezygotic barriers are habitat isolation which is when they occupy different habitats, temporal isolation when they breed at different times, behavioral isolation when courtship rituals unique to a species, mechanical isolation is morphological differences and, gametic isolation is when sperm of one species may not be able to fertilize eggs of other species. The phylogenetic species concept defines a species as the smallest group of individuals. Allopatric Speciation is when gene flow is reduced when a population is divided into geographically isolated subpopulations. Sympatric Speciation is when speciation takes place in geographically overlapping populations. Sympatric speciation are also the results of new ecological niches. Ecological niche is just the role a species play in the environment. Sexual selection is when organisms choose who they want to reproduce with based on their sexual preference. Ecological speciation is the evolution of reproductive isolation between populations because of divergent natural selection. Hybrid zones are regions in which members of different species mate and reproduce. Reinforcement occurs when hybrids are less fit than their

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