2. A child with Edwards Syndrome has the karyotype shown. Children born with this disease are small, cognitively impaired, and die as infants due to heart failure. a. What is abnormal about the karyotype? b. Circle a homologous pair of chromosomes on the karyotype.
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Step 1: Edward syndrome, also known as trisomy 18, is a genetic disorder where there are 3 copies of chromosome 18 instead of the usual 2 copies. Show more…
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Individuals who have Edwards Syndrome have three copies of chromosome 18. This disorder is caused by: Group of answer choices a. Nondisjunction during meiosis b. Inappropriate entry into S phase c. Loss of the G1 checkpoint d. Failure of chromosomes to align during metaphase of mitosis during the first embryonic cell divisions
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2. Look at the 4 karyotypes below. Find the chromosome anomaly (mistake) and describe what you see, and determine the sex of the person, for each of the 3 disorders. Use the normal male karyotype for comparison. Look for the arrows if you need help. Edwards' Syndrome - Patau's Syndrome - Klinefelter's Syndrome -
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Trisomy of chromosome 21 is called a. Down syndrome. b. Klinefelter syndrome. c. Turner syndrome. d. Jacobs syndrome.
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