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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.
MONOSACCHARID E DERIVATIVES They are modified monosaccharides. G L YCOSIDES They are compounds formed by condensation reaction between a sugar and hydroxyl group
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Lipids are essential fats that have much importance to the human body. Lipids are biological molecules that are insoluble in aqueous solutions and soluble in organic solvents are c
General requirements of implant materials 1) Biologically compatibility: an ideal implant material will elicit mainly physiological reactions within the surrounding tissues (bo
name of enzyme that mostly used in industrial biotechnology?
When the overlap between the thin and thick filaments of a sarcomere in a skeletal muscle is decreasing, A. the total length of the I band is increasing in the sarcomere. B.
what does ICZN stand for
What is the karyotype found in Down syndrome? Down syndrome is an aneuploidy, i.e., a numeric changing of chromosomes within the cells compared to the normal number of chromoso
what is the bioindicator of water pollution.
Q. Counselling of PACE programme? Counselling is a key component of a PACE programme. Counselling is a process that enables a person to identify problems and find a solution or
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