Genetic exchange between two homologous chromosomes is called cross over
(i) The person is suffering from cholera and it is caused by bacterium Vibrio cholerae.
(ii) Preventive measures to avoid this disease are:
(a) Boiled water and cooked food should be taken in cholera prone areas. Good personal hygiene and proper sanitation in the community is necessary for protection against cholera
Photo 51 is an image of the DNA structure that was used to create a DNA template. Rosalind Franklin managed to photograph a DNA molecule.
<h3>Who took the first DNA picture?</h3>
During the four years she spent in France, Rosalind Franklin perfected herself in the use of x-ray crystallography, a technique used to create images of microscopic elements. It was through her that, already at King's College, chemistry managed to photograph a DNA molecule.
With this information, we can conclude that Photo 51 is an image of the DNA structure that was used to create a DNA template. Rosalind Franklin managed to photograph a DNA molecule.
Learn more about Photo 51 in brainly.com/question/7566369
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Answer:
The definition of trade off is an exchange where you give up one thing in order to get something else that you also desire. An example of a trade off is when you have to put up with a half hour commute in order to make more money.
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