Suppose that you have been able to partially sequence a significant number of cDNA clones from an as yet unsequenced insect genome. These clones are useful as what sequences that can help annotation?
What will be an ideal response?
ESTs
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What approach would most likely help determine the amino acids which form an enzyme's catalytic site?
What will be an ideal response?
What would be the frequency of pink flowers in a population where the allele frequency of CR is 0.4 and the population is in Hardy-Weinberg equilibrium? Assume that CR CR is red, CRCW is pink, and CwCw is white?
A. 0.04 or 4% B. 0.16 or 16% C. 0.2 or 20% D. 0.8 or 80% E. 0.48 or 48%
Answer the following statements true (T) or false (F)
1. All infectious diseases are caused by pathogens. 2. Pathogens greatly outnumber nonpathogens. 3. Using microorganisms to clean up the environment is known as bioremediation. 4. Microorganisms are essential in the field of genetic engineering. 5. Microorganisms probably appeared on earth about 3.5 million years ago.
If an X-linked recessive gene is expressed in 4 percent of the men, what proportion of women would
express the recessive trait? What will be an ideal response?