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Two treu breeding white strans of a plant were mated and the Ftwo progeny were all white. When the F1plants were allowed to self fertilize, 179 white flowered and 41 purple flowered F1 plants grew.
(a) Using the ratio of these offspring, determine how flower color is inherited?
(b) Define letter symbols for all the alleles involved. Indicate the genotype classes and the corresponding phenotype ratios of the Ftwo.
(c) A white Ftwo plant is allowed to self-fertilize. Of the progeny 1/4 are white-flowered and 1/4 are purple-flowered. What is the genotype of the white Ftwo plant? Briefly explain how you determined your answer.
Does bark remind you of any human tissue? What functions would be shared between bark and this tissue?
Determine the proportion of the lung cancers attributable to smoking among: smokers and the whole population.
In horses, black coat colour is dominant over chestnut. In gait, trotting is dominant over pacing. If a mare with a genotype of bbTt is bred to a stallion with a genotype of BbTt, what are the chances of a chestnut, pacer foal.
Glucose (C6H12O6) can survive as both an open-chain form and a closed-ring form. Before 1900, glucose was only thought to happen as an open chain. Now we know that over 99 percent of the time, glucose occurs in the closed-ring form. What probable dif..
The minimum word size needed to specify at least twenty amino acids with only four bases (A,G,C,T) is three. What would be the minimum word size needed to specify twenty amino acids if there were only two bases available?
Explain the arrangement within energy levels of the six electrons of an atom of carbon and discuss the relationship between elements and atoms?
Assume that you measure the OD of two E.coli cultures: culture A and culture B. The spectrophotometer gives you a reading of 3.2 for culture A and 0.01 for culture B. What would you do to determine the concentration of culture A and B and why? Giv..
Design an experiment in which you will test the effect of an acidic fluid on enzymatic activity. (Recall: enzymes are proteins.) To complete this project, it may be useful for you to review.
The trees derive no known benefits from the dwarf mistletoes but appear shorter than trees not associated with dwarf mistletoe. Which is the best describes the interactions between dwarf mistletoes and trees.
The fouling of our air, water, and food supply is a problem for humanity and also for the entire biosystem.
The idea is that this arrangement will allow animals and plants to migrate between refuges. Why would such migration be significant. Examine the F1 offspring from this cross.
Give examples of 2-different relationships that fungi have with other organisms. Indicate the type of relationship and explain why it was classified as such.
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