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A circular plasmid of 10,000 base pairs (bp) is digested with two restriction enzymes, A and B, to produce a 3000 bp and a 2000 bp bands when visualised on an agarose gel. when digested with one enzyme at a time,only one band is visible at 5000 bp. If the […]

1. Critically discuss the difference between food intoxication and food infections. 2. In May 2012, a young woman in Georgia was zip lining and fell into a river. A short time later she was hospitalized for a severe life threatening disease, caused by what is commonly referred to as flesh […]

In peas, the dominant seed shape is round and the recessive is wrinkled(w). The dominant trait for pod color is green and recessive is yellow (y). A plant with round seeds and green pods that i heterozygous only for the color trait is crossed with a plant that has wrinkled […]

Q1. In 2009, a German politician proposed that all babies must be genetically fingerprinted at birth. What are the advantages, and potential problems, with this proposal? Q2. While walking throughout a forest you notice that someone has carved his or her initials into the bark of a tree. The initials […]