Explain why using 13 STR regions helps the FBI to gain assurance that they have the correct information
What will be an ideal response?
The more STR sites used, the greater the assurance that the DNA found at the crime
scene matches that of the accused. If the FBI used one or two or even five STRs, there would
still be a chance that the person accused might not be the crime's perpetrator. When all 13
"CODIS" sites are used, there is an over 99.9999% chance that the match is exact.
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Mycorrhizae
A. are vital for the survival of lichens. B. are vital for the survival of many plants. C. increase the absorptive ability of roots. D. are used in the production of wine, beer, and bread. E. are vital for the survival of many plants AND increase the absorptive ability of roots.
An open circulatory system ____
a. contains blood in blood vessels b. is composed of two circulatory systems c. mixes hemolymph and interstitial fluids together d. is more efficient than a closed system e. opens directly to the outside
Mendelian principle that explains how combinations of traits appear in gametes
What will be an ideal response?
Fluorescence in situ hybridization is another way to visualize the presence of a nucleotide sequence. Which of the following is an advantage of FISH over Northern and Southern blots?
A) Probes are not needed in FISH. B) Fluorophores are not used in Northern or Southern blots. C) There are no advantages to FISH over Northern and Southern blots. D) Blotting is not used in FISH.