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A geneticist makes a cross between two homozygous strains (lines) of maize with three different mutations. The specific genes are as follows. F = striped leaf, B = a bronze aleurone and K = crinkled leaf. For symbols, you can use a capital to indicate the dominant (WT) allele. He then backcrosses the F1 to a homozygous recessive tester stock. (F = wild type, f = fine stripe; B = wild type, b = bronze aleurone; K = wild type, k = crinkled leaf)
Phenotype Numberk f B 134k F B 451K F B 97k F b 18K F b 119K f B 24K f b 436k f b 86Total: 1,365
What was the genotype (assume it is homozygous) of one of the two Parental lines.a) k/k f/f B/Bb) k/k F/F B/Bc) K/K F/F B/Bd) k/k F/F b/be) k/k f/f b/b
What is the sequence (order) of the three genes.a) BFKb) KFBc) FKBd) KBFe) FKBIf someone could show me the steps on how to work backwards and determine 1/2 of the parental genotypes and then the order of genes that would be perfect.
What percent of all the enzyme molecules will have their Cys thiol in the active form at pH 8.6. Some mammals might run or fight when frightened. For both of these examples, illustrate the physiological mechanisms involved in the answer.
Discuss the differences you have noticed between old and new Food Pyramid. Provide your opinion if you believe new Food Pyramid will be successful in modifying the eating habits of Americans or not.
It had been the warm, wet spring and she complained of a large number of flies in the area. She felt sick last day there after eating some canned food, as there was no cooler there. You had no time for culturing, as you require taking action fast.
Describe the major points of the Sternberg, Spearman, and Gardner models of intelligence. Discuss specific similarities and differences from one model to another. Discuss which model appears to be the most comprehensive model of intellectual function..
Assume if you analyzed the average size of individuals in many dog and wolf populations around the world, how would you use this to determine where and when dogs were domesticated from wolves?
A scientist has discovered a new cell. illustrate, in detail, ALL the ways the scientist could decide if the cell comes from a plant or an animal. How several of these result in the release of oxygen into the atmosphere?
compute how many molecules X and Y the cell contains at any time. Which molecule would be preferred for rapid signaling? Why?
Assume you are walking on the beach when you step on a shell and cut your foot. 4-cells of Vibrio vulnificus bacteria are transferred from shell and deposited deep inside the cut.
What phenotypic ratio would you get if you crossed a white mouse and a heterozygous brown mouse?
If these three genes were all assorting independently, how many genotypic and phenotypic classes would result in the offspring, and in what proportion, suppose simple dominance and recessiveness in each gene pair?
Assume many of the atoms of nitrogen in a double-stranded molecule of DNA, of isotope N-14, were replaced with the isotope N-15
Blue skin color in smurfs is controlled by two independent biochemical pathways. Pathway one has two enzymatic steps under the control of gene A and gene B respectively
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