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Mutations are the only kind of variability generating mechanism in prokaryotes and asexually reproducing organisms. But in eukaryotes where sexual recombination occurs, even in one generation there is a marked reshuffling of genes in the chromosomes which amplifies the genetic variability in a population. The kind of variability generated by recombination is tested by natural selection in as many genetic backgrounds as possible and in as short time as possible (say in one generation). Thus one of the greatest and fundamental advantages of sexual reproduction is the generation of variability. Provided the populations are large, even if mutations do not exist, the mechanism of sexual recombination alone would be generating new genotypes for very long time.
What is mucoperiosteal flap Silk is easy to handle, ties with a slip knot, and is relatively inexpensive compared with other nonabsorbable suture materials currently available.
explain mitosis in detail
Plasmid is the class of the circular, extrachromosomal, autonomously replicating, DNA elements found in number of bacteria. Contain origins of the replication to ensure their main
Restriction of physical activities to reduce myocardial work and oxygen consumption. However, care should be taken to prevent deep vein thrombosis. - Oxygen administration in dy
Does an increase of H+ cause the hemaglobin oxygen binding curve to shift to the left or right? Explain.
Define effect of Minerals on athletes? Mineral supplementation, particularly iron in cases of iron deficient athletes is beneficial. Similarly, magnesium and chromium supplemen
Population was defined by Clarke in 1954. The term population refers to the total number of individuals of a sp. occupying a particular geographic aera at a given time. A s
Picaridin Laboratory and field studies documenting the efficacy of picaridin. No published data are available on the efficacy of the 7% solution now available in the US. Insec
Why is it important for chromosomes to be condensed during mitosis and decondensed during interphase? During mitosis the major problem to be solved is the correct separation of
Q. Explain Restrictive cardiomyopathy? It is a systemic or idiopathic disorder of the myocardium with clinical and hemodynamic features of diastolic dysfunction, closely simula
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