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In Drosophila melanogaster the recessive w allele confers stripedwhen homozygous in females or hemizygous in males. The recessive vallele confers eyespot eye when homozygous in females or hemizygousin males. M and B formed some wild type females flutes thatconsistently produced offspring with a 2:1 female: male ratio andconcluded that the 2:1 ratio was due to a recessive allele calledI. They matched a wild type female that was heterozygote for thelethal allele with a stripped, eyespot male. They selected F1females that were heterozygous for the lethal allele with astripped, eyespot male. Among the F2 progeny, M and B, 2656 femalesand 1259 males.1. Using chi square Morgan's hypothesize that the male femalesratio is due to segregation of a recessive lethat allele on the Xchromosome. What is the probability level that is closet to yourchi square statistic?Among F2 males, they observed the following numbers ofindividualswild type 6 stripped 227 eyespot 124 stripped eyespot 902Are w, v, and I in coupling conformation in the F1 female or is onein repulsion to the other two?What is the correct order of these three genes on the Xchromosome?What is the genetic distance in cM between w and I?
Discuss the difference between transformation and electroporationwhen? when do we use transformation and when do we use electroporation?
q. what differences in detail do you notice in freshly prepared versus permanently mounted tissue? how did the steps of
William Astbury discovered that the x-ray diffraction pattern of wool demonstrate a repeating structural unit spaced about 5.2 Å along the length of the wool fiber.
During mitosis if a deletion event occurs when a region of DNA is deleted from a chromosome, how will this deletion event affect the shape if the polytene chromosome? Must explain.
What traits of corn make using corn kernels (starch) unattractive as a starting material for bioethanol.
Explain plant life, animal life, and geology of the ecosystem in Utah. What populations and communities are present? How dependant is your community on this ecosystem? What are the preventive factors of the ecosystem.
Polio and HIV are both +ssRNA viruses have very different strategies for replicating their genomes. After the viral genomes enter the cell, explain the first step involved in replication of each genome.
Throughout the course you have heard about the Ras GTPase family. Tubulin is also a GTPase that is distantly related to this family. Tubulin dimers hydrolyze GTP at a very slow intrinsic rate.
If a woman has blood type AB and her husband has blood type O, what is the percent chance that a child of theirs would have blood type A? (Hint: punnett square would be useful)
In light of what you now know about cellular respiration, explain the mechanism of action of poisons such as carbon monoxide, arsenic and 2,4 dinitriphenol (DNP), in that order.
You need to load 10 µg of protein into one of the wells of a gel. This needs to be in 1X buffer and in a total volume of 15 µl. You are given a 10 µg/µl solution of protein, a 5X buffer, and water. How much of each should you mix to load the gel c..
Explain differences between complex and chemically defined media, between selective and differential media.
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