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Chapter 12: Chromosomal Abnormalities. Figure 12Bc. Figure 12Bda. NONDISJUNCTION CHANGES CHROMOSOME NUMBERS. Figure 12.10a. NONDISJUNCTION CHANGES CHROMOSOME NUMBERS. Figure 12.10b. Figure 12Bdb. DOWN SYNDROME & Gart Gene. Figure 12.11. Figure 12.11b. Figure 12Ba. Figure 12Bb.
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NONDISJUNCTION CHANGES CHROMOSOME NUMBERS Figure 12.10a
NONDISJUNCTION CHANGES CHROMOSOME NUMBERS Figure 12.10b
DOWN SYNDROME & Gart Gene Figure 12.11
Trisomy 18 - Edward's Syndrome • Failure to grow and gain weight at the expected rate and severe feeding difficulties, diminished muscle tone and episodes in which there is temporary cessation of spontaneous breathing • Developmental delays and intellectual disability • A prominent back portion of the head, low-set, malformed ears, an abnormally small jaw, a small mouth an upturned nose, narrow eyelid folds, widely spaced eyes, and drooping of the upper eyelids
TRISOMY 13 (also known as Patau syndrome) - Of all babies born with the extra copy of chromosome 13 in all the cells of their body, around 50% die in the first month, and the rest within the first year Median survival age for children with Patau syndrome is 2.5 days