Human Anatomy & Physiology (11th Edition)
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ISBN: 9780134580999
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Analyze the karyotype shown. Indicate if it is a chromosomal male or achromosomal female. If the karyotype is normal, write the word normal under name or description. If the karyotype is abnormal, name or describethe disorder.
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© 2006 Brooks/Cole - Thomson
Fig. 6-21a, p.137
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Karyotyping is the process by which photographs of chromosomes are taken in order to determine the chromosome complement of an individual, including the number of chromosomes and any abnormalities.
A karyotype is an individual's collection of chromosomes. The term also refers to a laboratory technique that produces an image of an individual's chromosomes. The karyotype is used to look for abnormal numbers or structures of chromosomes.
Karyotypes describe the chromosome count of an organism and what these chromosomes look like under a light microscope. Attention is paid to their length, the position of the centromeres, banding pattern, any differences between the sex chromosomes, and any other physical characteristics. The preparation and study of karyotypes is part of cytogenetics.
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- Using the symptoms presented, research online to determine the nature of the disorder, its mechanism (what causes the disorder) and also any complications and treatment options that may exist. A 24-year old patient presents with the following symptoms: Presents as normal external male Close examination reveals small testes Gynecomastia (development of breasts) Genetic karyotyping revealed XX Further genetic testing determines the patient is SRY-positive Smaller than average in height and weight Diagnosis: Mechanism: Possible Complications and Recommendations:arrow_forwardPresent clinical consequences of most commonly identified numerical chromosome abnormalities.arrow_forwardCompare types of chromosomal abnormalities: numerical vs structural.arrow_forward
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