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Q1. In Drosophila a cross was made between a yellow-bodied male with vestigial (not fully developed) wings and a wild-type female (brown body). The F1 generation consisted of wild-type males and wild-type females. F1 males and females were crossed, and the F2 progeny consisted of 16 yellow-bodied males with vestigial wings, 48 yellow-bodied males with normal wings, 15 males with brown bodies and vestigial wings, 49 wild-type males, 31 brown-bodied females with vestigial wings, and 97 wild-type females. Give details the inheritance of the two genes in question based on these results.
Q2. Recognize the type of cross you received: monohybrid or dihybrid, autosomal or sex linked, mutations dominant or recessive.
The sulfur reduction test is not able to differentiate H2S produced by anaerobic respiration and H2S produced by putrefaction. Is this inability the result of poor sensitivity or poor specificity of the test system?
What is the method used that would compute the amount of hydrogens in propane if you only knew the number of carbons.
Assume a level area of granite rock was the parent material in both cases; describe in general terms how you would expect two soil profiles to differ, one in warm, semiarid grassland and the other in a cool, humid pine forest.
A genetic mutation occurs that alters the specificity of theGolgi enzyme that phosphorylates mannose residues in the oligosaccharides of glycoproteins. The effect of the mutation is such that the enzyme now indiscriminately and randomly phosphoryl..
Discuss microbiology, and what is one specific positive or negative effect it has had on human health? Be sure to include details about how it has improved or worsened particular aspects of life.
Three different RNA polymerases are found in all eukaryotic cells, and each is responsible for synthesizing a different class of RNA molecules. How do the classes of RNAs synthesized.
White eyes can be due to the combination of two mutations which eliminate both pigment types normally found in the Drosophila eye. assume that your flies have the two which are autosomal, recessive, and not linked.
Make one hundred microliters of an enzyme solution at 0.1 U/microliter. You are given water to dilute the concentrated stock enzyme. The stock enzyme comes at 10 U/microliter.
The correct folding of proteins is necessary to maintain healthy cells and tissues. Unfolded proteins are responsible for such neurodegenerative disorders as Alzheimer's, Huntington's, and Creutzfeld-Jacob disease.
We know that all radioactive isotopes decay over time as they emit particles and change into daughter isotopes. Briefly explain how radioactive decay and the concept of a half life enables scientists to estimate the ages of rocks.
What are the possible genotypes of the parents? If thedisease is a chromosomal abnormality describe theabnormality.
Which of the following is a characteristic of RNA splicing in Eukaryotes?
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