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In the tubular flowers of foxgloves, wild-type coloration is red while a mutation called whit produces white flowers. Another mutation, called peloria, causes the flowers at the apex of the stem to be huge. yet another mutation, called dwarf, affects stem length. You cross a white-flowered plant to a plant that is dwarf and peloria. All of the F1 plants are tall with white, normal-sized flowers. You cross F1 back to the dawrf and peloria parent, and you see the following progeny: 572 dwarf, peloria; 562 white;86 dwarf,peloria,white; 81 dwarf,white; 78 wild-type; 73 peloria; 2 dwarf
a. what were the genotypes in the original cross?
b.draw a map showing the corect gene order and distance.
c. calculate interferance
A drug has a molec. weight of 200. Determine how many grams would you use to make 100 ml of a solution that is isotonic? Suppose that the diluent is distilled water and that the drug does not ionize in water.
In this case, we are tracking an enzyme secreted by pancreatic cells. What is its most possible pathway. Find out how many calories you will have saved by eating this reduced-fat product instead of the high-fat one.
The Neurospora cross was made between a strains that carried mating type A and mutant allele arg-1(arg) and another strain the carried mating-type a and the wild type arg-1 (+) gene. Four hundred linear octads were isolated and they fell into the 7 c..
How many cups of the coffee would you have to drink to reach the dose (10mM) needed to interfere along with the DNA replication checkpoint mechanism?
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Assume y ou are analyzing a dominant allele in fruit flies that mutates to a recessive allele at the relatively high rate of 10 -6 per generation.
If amino acid sequences might be useful in determining how closely related dissimilar species are but may not be very useful for identifying a particular species, suggest two reasons why.
In the harlequin-chromosome technique, you allow THREE rounds of replication in bromodeoxyuridine and then stain the chromosomes. What result do you expect to obtain.
Such a condition is frequently accompanied by diarrhea, which causes a loss of body water. On the basis of what you have learned about osmotic water flows, describe why diarrhea may occur.
Describe the molecular events that generate the "dark current" in photoreceptor cells;define the impact of this cycle on the typical resting.
What blood test would be performed before starting the transfusion. Calcium levels in blodd are dropping to dangerously low levels. The hormone PTH is released and almost immediately calcium levels begin to rise. Shortly after, PTH release slows. Is ..
Illustrate what is meant by motivation. What types of non-financial reward might a company employ to motivate employees.
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