What is gene mapping and how does it work?

What will be an ideal response?


Gene mapping involves finding the location on the strands of DNA, genes that control certain traits. This involves the use of molecules that act as probes. These probes attach themselves to certain parts of the DNA where the nucleotides join each other. The probe looks for combinations where substances join in certain sequences. Once these probes locate the nucleotides, the sequences of A (Adenine), T (Thymine), C (Cytosine), and G (Guanine) can be listed in a map.

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It is desirable to take the time and necessary precautions to make welds that are no darker than ____.

A. dark blue B. tan C. brown D. purple

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What is the cooling capacity of reefer units measured in?

A. BHP (watts) B. lb.-ft. (N.m) C. atms (bar) D. BTU (joules)

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The output of a 4-input NOR gate is HIGH when

A) the inputs are all HIGH. B) the inputs are all LOW. C) at least one input is LOW. D) at least one input is HIGH.

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Consider a fluid whose volume does not change with temperature at constant pressure. What can you say about natural convection heat transfer in this medium?

What will be an ideal response?

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