INTRODUCTION ▪ Two Peg Test is a surveying operation carried out to determine whether the levelling bubble and telescope line of sight are parallel. OBJECTIVE ▪ Peg Test is a surveying operation carried out to determine if the leveling bubble (bubble axis) and telescope line-of-sight (line of collimation) are parallel. THEORY ▪ By using the leveling method‚ work for establishing Temporary Bench Mark (TBM) was done ▪ Bench Mark (BM) must be known first. BM
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and are usually smaller than the female flies. The females have pointed posteriors‚ do not have sex combs‚ and are usually larger. Once the flies are sorted‚ one must make two to three culture vials for the flies to cross in. Place one cup of Drosophila medium and one cup of water in each vial. Label each vial the date and what one is crossing. Then put five to six
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are symbolic and are not meant to be a literal statement but in some cultures they’d take it into a literal term. In whatever way they take it coming to age of maturity is important in any culture especially in native countries. For example the Sepia River Tribe in Papua New Guinea where they perform terrifying and almost sadistic rituals to test their psychical and mental resistance to pain. They make deep razor incisions in the flesh to permanently scar the flesh wounds to form “Crocodile Scars”
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when crossed with a heterozygote (Yy) will give some offspring that are green 4- To determine whether an animal with the dominant phenotype is heterozygous or homozygous‚ it is best to cross it with the SAME phenotype. 5- If you performed the Drosophila cross LL × ll‚ what phenotypic ratio would you expect among the offspring? 3:1 6- According to Mendel’s law of independent assortment‚ how many different types of gametes would an AaBb parent have? An AABb parent? AaBb: AB‚ Ab‚ aB‚ ab (4) AABb:
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Experiment 1 Salivary Gland Chromosome Preparation Introduction: Microscopic‚ threadlike part of the cell and a structured DNA which carries hereditary information in the form of genes is a chromosome. Endomitosis is mitosis without nuclear or cellular division. This produces many copies of the same chromosome in a single nucleus (Kim 2004). For this experiment‚ I hypothesize that D. melanogaster undergoes endomitosis meaning without cellular mitotic division. If it undergoes endomitosis‚ then
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One night‚ I was surfing the internet when I came across a picture showing a gas station with the gas prices on a sign sitting in front of it. The gas sign said that the price for regular was "an arm"‚ the price for plus was "a leg" and the price for premium was a "first born". As I marveled over what Photoshop can do‚ I began to think about these high gas prices and what is causing them. Everyone talks about‚ complains about‚ and jokes about the high gas prices‚ but no one does anything about
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liked they were empty. We know this because an elderly lady is holding a small pot in the air‚ on an angle. If the pots weren’t empty we would be able to see something coming out‚ but her facial expressions reinforce this idea. Again‚ the image is in sepia tone referring to the past. The illustrator usually places full-sized images when the scene is being amplified. Anh’s family and the other 36 people had just survived a storm and all their food and water supplies were nearly finished. At this point
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smooth metal maybe even a stamp on to a piece of paper or other transferable product. Film can consist of movies which is animation or Photography. Photography is the taking of photos using a camera which can be film or digital‚ black and white‚ and sepia. In digital photography you can even have a black and white that has focus on a certain color in the
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within DNA consist of genes that make proteins to determine our development Genome is the set of complete instructions for making an organism‚ containing all the genes in that organism. Thus‚ the human genome makes us human‚ and the genome for drosophila makes it a common housefly. Studying the effects of heredity and environment on two sets of twins‚ identical (monozygotic) and fraternal (dizygotic)‚ has come in handy. A number of studies compared identical twins reared separately from birth
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Ion tropic receptors are ligand-activated ion channels that permit entry of ions when the central pore is open. According to Hofmeyer (2009)‚ receptor protein tyrosine phosphatases control many aspects of nervous system development. At the Drosophila neuromuscular junction‚ regulation of synapse growth and maturation by the RPTP LAR depends on catalytic phosphatase activity and on the extracellular ligands syndecan and
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