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Gene targeting: There is always a debate on gene integration in to the host animal.
It is random gene integration Vs gene targeting. Perhaps most significantly, pro-nuclear injection cannot be used to modify the animals' own genes. By contrast, target modifications to endogenous genes have been achieved earlier in mouse model and now in farm animals also. When introduced into the early embryo these cells contribute to the germline. They can also undergo homologous recombination with transfected foreign DNA so that precise, targeted changes can be introduced. The combination of these two properties means that gene targeting of the mouse germline is now routine, allowing for the deletion, replacement or modification of selected genes. Recombination on either side of the marker gene results in its precise insertion into the chromosome at the same time and delete some or the entire target gene. Precise targeting events are very rare (perhaps 1 in 106 cells) and, therefore special methods must be taken for identifying and selecting the correctly targeted cells.
Q. Living beings are made of inorganic and organic substances. According to the molecular complexity how can each of those substances be classified? Inorganic substances, mole
Explain the Properties of hydrolysed soy proteins Partially hydrolysed soy proteins possess good foam stabilization properties and can be used as whipping agents in combination
Significance of Lingual nerve and artery Because the nerve lies medial to the retromolar pad, incisions in this region should remain lateral to the pad and mucosal reflection s
Parasitic Protozoan Out of the thousands of species of Protozoa, the majority are free living. However, many species from within the phyla Sarcomastigophora and Ciliophora are
Planes of Cleavage The ova of most of the animal groups (except some specific cases like insects) are spherical or nearly spherical having their own actual centre comparable
could you survive on a diet which contain no carbohydrates
Determine the term - Leuconoid sponge. The most complex of the three different sponge architectures. Choanocytes are found in chambers, and there is not any spongocoel. Water e
Explain the Competitive behaviour of social animal group dominance behaviours removal of individuals to other groups which minimises inbreeding eg lions, apes.
Reduction of NADP+ occurs during what?
Reproductive Cycle The whole reproductive cycle consists of an ovarian cycle and a uterine cycle. Figure illustrates one complete reproductive cycle. You can observe in the fi
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