Balao‚ Mike Paul C. MT1311 Chromosomal aberrations are abnormalities in the structure or number of chromosomes and are often responsible for genetic disorders. For more than a century‚ scientists have been fascinated by the study of human chromosomes. It was not until 1956‚ however‚ that it was determined that the actual diploid number of chromosomes in a human cell was forty-six (22 pairs of autosomes and two sex chromosomes make up the human genome). In 1959 two discoveries opened a new era
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Down Syndrome Down syndrome occurs when there is an extra copy of chromosome 21. People with this abnormality is described to be having a physical feature like excess skin at the nape of the neck‚ flattened nose‚ single crease in the palm of the hand‚ small ears‚ small mouth‚ upward slanting eyes‚ wide‚ short hands with short fingers‚ white spots on the colored part of the eye. The condition is often associated with some level of mental retardation or learning disabilities. These individuals are
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Subject: Detection of chromosomal abnormalities in prenatal samples. In this 21st century‚ due to fast life‚ marriages occur at late age‚ and thus‚ possibilities of genetic abnormalities in next generation rises. Consanguineous marriages may also the cause of genetical abnormality in feotus. Now a day it should be necessary to know genetic makeup of child before birth to prevent abnormal cases. To overcome this problem‚ detection of chromosomal abnormalities in feotus has been introduced
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Chromosomal Disorders You will be assigned a random chromosomal disorder. You will research the disorder and answer the questions below. You should include a sketch or picture of the chromosome affected (where the gene is located) or the show the karyotype of the disorder and how it compares to a “normal” karyotype. 1. When was the syndrome first discovered and by who? J. C. P. Williams first discovered it at the year 1961 2. The human chromosomes are numbered. If applicable‚ identify
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Module 2 MN250/D a) How organisation of work can contribute to dysfunctional behaviour. Bennett and Robinson (2003)‚ suggest that behaviour is deemed dysfunctional or deviant when an individual or a group violates an organisation’s norms‚ policies‚ or internal values‚ and threatens the welfare of the organisation or its constituents. Researchers into dysfunctional behaviour have come up with other alternative terms such as corrupt‚ counterproductive behaviour‚ deviance‚ antisocial‚ and unethical
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Chapter 13—Chromosomal Rearrangements and Changes in Chromosome Number Reshape Eukaryote Genomes Fill in the Blank |1. |Events that reshape genomes by reorganizing the DNA sequences within one or more chromosomes are known as ____________________. | |Ans: |rearrangements | | |Difficulty: 2
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Sharla Kliebenstein Soc. 336 Professor Gibson December 11‚ 2012 Deviance within the Workplace Scholars from both sociological traditions define deviance using comparisons (Warren‚ 2003‚ p. 623). Ultimately‚ the question “Deviant compared to what?” must be answered in order to assign the label deviant. In order to conduct such behavioral comparison‚ researchers need to summarize the person’s behavior in some way. Norms serve as this function: they summarize the behavior of the reference group
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Zenas Lee Professor Carr Sociology 240 5 February 2013 Abnormal Phenomenon Is being normal a good or bad thing? Some people want to fit in to be normal while others want to stand out. Normal is defined as conforming to a standard or usual idea. But each culture might have different opinions on what is normal and abnormal. In certain countries‚ eating domestic animals is considered a normal thing to do while other countries find it repulsive or immoral to do so. When someone violates a social
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Down Syndrome Report by: SCHOOL SUX The chromosomal abnormality involved in most cases of Down syndrome is trisomy-21‚ or the presence of three copies of the 21st chromosome. As a result‚ the affected person has 47 chromosomes in all body cells instead of the normal 46‚ although how this causes the condition’s symptoms is not yet known. Scientists assume that the reason for the abnormal chromosomal assortment is the fertilization of an ovum having 24 chromosomes by a sperm with a normal assortment
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Patient C is a male with Patau’s syndrome. This syndrome is also referred to as trisomy 13. It is caused by a chromosomal abnormality‚ in which some or all the cells in the body contain extra genetic material from chromosome 13. The chromosomal condition is often associated with a severe intellectual disability and several physical abnormalities. Patau’s occurs in about 1 in 16‚000 infants. Women of all ages have a chance of giving birth to a child with this condition‚ but the risk increases as
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