Great Ideas Project: Origin of Sex Essay -- DNA Biology Biological Pap

Great Ideas plan Origin of SexSex, though usually used in ground of reproduction, is actually quite separate it refers to the splitting and recombining of genetic material by the meiosis (fission) and fertilization (fusion) of genomes in such a way that, when they ar reproduced, the new generation of carrells contains a different set of genes than that of its parents. Sex is by no means necessary for reproduction. A windual reproduction, or parthenogenesis, is actually slightly twice as effectual for population growth there is and then a two-fold cost of sex in reproduction. There are umteen benefits to sex, however, that outweigh its inefficiency. Among these benefits are the opportunities for the repair of discredited DNA, the rapid recombination of genes to more quick adapt to changing environments, and the elimination of the accumulation of deleterious mutations from a population. It is simplified to find benefits to sex finding a theory for the line of work of s ex is not nearly as simple. There are many oppose theories for what made organisms evolve in a pattern which is less efficient for population growth, but no sure-fire answers.1The predominant theory for the origin of sex has always been the benefits of DNA repair. In an asexual haploid cell, if two sides of a DNA strand were damagedfor instance, if the thymine and adenine erred and became unrecognisablesince the cell would have nevertheless one copy of the information, there would be no chance for the cell to repair the damage and the cell would every die or be able to pass on only grossly mutated genes. However, an asexual diploid cell and a sexual cell each contain an extra set of chromosomes providing the template to repair that damaged DNA strand. Using DNA r... ...rsity Press2 Michod, Richard E. (1998). Origin of Sex for delusion Repair. Theoretical Population Biology, 53, 60-743 Mauro Santos, et. al. (2003) Origin of Sex Revisted. Origins of Life and maturation of the Biosphere, 32, 405-432 4 Dacks, Joel and Roger, Andrew J. The foremost Sexual Lineage and the Relevance of Facultative Sex. daybook of Molecular Evolution (1999), Issue 48 pg 779-783.5 Leboeuf, Adrian. UCSB Researchers Study Advantages of Sexual Reproduction Daily Nexus, spate 82, issue 286 Crow JF. Advantages of Sexual Reproduction PMID 80624557 Rothschild, Lynn J. The Influence of UV Radiation on Protistan Evolution. Journal of Eukaryotic Microbiology (1999), Issue 46 no. 5 pg. 548-555.8 Sterrer, Wolfgang. On the Origin of Sex as Vaccination. Journal of Theoretical Biology (2002), Issue 216 pg. 387-396.