Phenotype

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    and placed onto an index card. The index card was then placed onto the stage of the microscope. After this is done, one fly was observed at a time by moving one of the flies into view by using a brush. By looking at the Drosophila melanogaster the phenotype and sex was observed by looking for particular characteristics. A female fly can be distinguished from a male because she has stripes and males have dark underbellies. The wings were also examined and were determined to be wild type or…

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    Meiosis

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    flow chart of this process in mythical dragons. Method: Step 1) Creative title Step 2) This table displays six different obvious traits that can appear in the dragons that I will be designing. Table 1 - Trait Dominant phenotype Homozygous Dominant genotype Recessive phenotype Homozygous Recessive genotype Horn position Crown (CC) (Cc) Spine…

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    Theories of evolution started before Darwin’s specific one by natural selection. The most prominent and perhaps influential on Darwin was Lamarck’s theory of “evolution by willing”, or that physical changes during an animal’s lifetime would be passed to offspring, in that it laid the foundation for his more developed explanation for evolution (Mayr, 1982). Darwin believed in evolution several before developing his theory of natural selection, he objected to Lamarck’s theory due to the lack of…

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    spontaneous miscarriage, as monosomy Y is not viable, resulting in no phenotype. b) 47 chromosomes with an extra chromosome 18 and 2 X sex chromosomes. The resulting phenotype is a female with Edwards Syndrome. c) 45 chromosomes with one less chromosome 21 and a X and Y sex chromosome. The sex chromosomes are typical of that of a male, though there would be a spontaneous miscarriage, as monosomy 21 is not viable, resulting in no phenotype. d) 46 chromosomes with one less chromosome 14, a…

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    The result of this caused the phenotype of furless bunnies to decrease as well as the genotype of ff to decrease. In data Table 1, the number of furless bunnies decreased from 50 to 22 from Generation 1 to Generation2. Since the furless bunnies could not withstand the cold, they did not…

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    Csilla Szepe

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    For cross two, our expectation was the ratio 9:3:3:1 of phenotypes red eyes / caramel body, red eyes / yellow body, white eyes / caramel body, and white eyes / yellow body respectively based on the autosomal, independently assorting inheritance pattern. For cross three, our expectation was the ratio 9:3:3:1 of phenotypes red eyes / normal wings, red eyes / vestigial wings, sepia eyes / normal wings, and sepia eyes / normal wings respectively…

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    the biochemical effects of genes (Shapard 1958). Their experiments involved distinguishing series of vermilion mutants with their interaction between a nonallelic X chromosome mutant (su-v). By isolating the suppressor mutants, it determines the phenotype is vermilion by distinguishing v into suppressed or unsuppressed (Shapard…

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    in biofilms is associated with an increased mutation rate, known as the mutator phenotype, which is thought to contribute to antibiotic resistance.6,7,9 This mutator phenotype is characterized by a few to one thousand-fold the mutation frequency of the common laboratory strain (PAO1).9,20-22 However, it is not currently known what controls P. aeruginosa biofilm growth or how biofilm growth activates the mutator phenotype.6,7,9,23-25 Although it has been suggested that genes that…

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    Albinism In Biology

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    seedlings and record their phenotype based off of the different color…

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    arranged in specific order in terms of their phenotype color. The wild type is darkly colored, and the grey mutant is lightly colored. These differences are easily observed in the hybrid. If there is no crossing over in meiosis between the centromere and the ascospore color gene, the sister chromatids will segregate and carry the same allele. This causes the first four ascospores to be the same phenotype and the last four to be the same of the other phenotypes, creating a recombinant 4:4 tetrad.…

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