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What is Genetic Engineering?
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the direct manipulation of an organism's genome using biotechnology. It is a set of technologies used to change the genetic makeup of cells, including the transfer of genes within and across species boundaries to produce improved or novel organisms
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In the definition of mutation we say sudden heritable change i the DNA, so what does sudden means here?
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You want to select a bacterium that has obtained a genetic marker conferring resistance to tetracycline. How would you accomplish this?
Are dominant genes related to dominant traits?
In mice colored coat is dominant to albinism. Sniffles, a male mouse with a colored coat is mated to Esmeralda, an alluring albino. The resulting litter of six young all had colored fur. The next time around Esmeralda was mated with Whiskers, who was the same color as Sniffles; some of this litter were white. a)What are the probable genotypes of Sniffles, Esmeralda, and Whiskers? b) If a male of the 1st litterwas mated to a colored female of the 2nd litter, what phenotypic ratio might be expected among the offspring? c)What would be the expected results if a male of the 1st litter was mated to an albino from the 2nd?
Why do we age?
what are the genetical reasons behind obesity?
Does unwinding DNA cause aging?
what is genetic mutation?
Explain in terms of gene product function how a mutant allele can be dominant? recessive?
A blastomere was removed from an 8-cell human embryo, and its beta-globin gene was amplified by PCR. The beta-globin DNA was treated with an enzyme that cuts on either side of and within the normal allele (producing a small fragment), but not within the sickle cell allele (producing a large fragment). Electrophoresis of the treated DNA from the blastomere demonstrated the presence of both a large and small fragment derived from the beta-globin genes. How should you interpret this test?
what is Human gene for height ?
what is the new theory of introns?
Micro Biology 
