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Two genes in chromosome 7 of corn are identified by the recessive alleles gl (glossy), determining glossy leaves, and ra (ramosa), determining branching of ears. When a plant heterozygous for each of these alleles was crossed with a homozygous recessive plant, the progeny consisted of the following genotypes with the numbers of each indicated:
a) Do the chromosomes of the doubly heterozygous parent demonstrate coupling or repulsion with respect to genes gl and ra?
b) Using the notation for crosses with linked genes, draw the genotype of the doubly heterozygous parent.
c) Estimate the frequency of recombination between these genes.
How does divergence effect Fst values between 2 populations? AND List 3 reasons that the Ne will be smaller than N. In each case, explain HOW this scenario results in a smaller Ne. Detailed answers get the points.
Explain how one of these main concepts is connected to your own personal observations. Clearly describe two methodological problems associated with the way Scientists study the topic.
A 40-year old recovering IV drug addict is evaluated for fever, malaise, anorexia, vomiting and jaundice. He also has red bumps on the skin of his lower extremities.
Based on this value, about what proportion of her own body weight in phytoplankton will a 60 kg woman require eating over the course of a year, if this were her only source of energy.
Assume you are working in a winery. You just determined that a wine sample contained 3.0 × 108 yeast/ml by analyzing its turbidity.
A three-factor cross in Salmonella typhimurium was performed using bacteriophage P22. The cross was between an arg-leu-his- recipient bacterium and bacteriophage P22.
Suppose that an organism exists in which crossing over does not occur, but that all other processes associated with meiosis occur normally.
The DNA molecule is permitted to replicate in a solution containing all four unlabeled deoxyribonucleoside tripohosphates and deoxyadenosine triphospage that is labeled with 32P.
Discuss and define motor unit and describe how motor units function in recruitment and in maintaining muscle tone. Explain the different types of skeletal muscle fibers.
Explain what type of training is most beneficial for ice skating and why. Are there adverse side-effects on the body from such long-term and/or intense training?
What progeny will result from the cross of blue with blue. Which would yield blue fowl, how must you proceed.
Explain three physiological differences you would expect betweem two combat- navie soldiers placed on the front line in a war zone if one was given a potent phenylethanolamine
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