Betty eventually becomes pregnant. She presented for ultrasonography at 18 weeks of gestation and the results revealed fetal abnormalities including a Ventricular Septal Defect (VSD) and tricuspid atresia (shown below). ULTRASOUNDS IMAGING CONSULTANT GA(LMP)=36820 P100 SMHz GER 40 40.1 CG15 CN3 9cm9 220822 72076 IVS +0:48:50 00 Aortic outflow 13 19 EV RV 20 2 7 8 TIS=0.6 At 35 weeks' gestation, additional ultrasonography indicated that further heart defects and the possibility of flexed extremities. Amniocentesis and karyotyping of the fetus (Patient D) shows the results below. cm/s 21 3 9 Hypolastic RV Tricuspid atresia ASD Ostium primum ASD + tricuspid atresia 14 15 16 17 10 11 12 5 22 X 200 18 The karyotype of the fetus (Patient D), written in Human Cytogenetic Nomenclature is: The absence of fetal movement during ultrasonography at 37 weeks led to an immediate caesarean birth. At the time of delivery, the Patient D was found to have decreased neurologic activity and respiratory depression. The patient D's clinical condition worsened, and she died at 5 days of age. What is the most likely reason that Betty is phenotypically normal: Why does the fetus (Patient D) have a phenotype?
Betty eventually becomes pregnant. She presented for ultrasonography at 18 weeks of gestation and the results revealed fetal abnormalities including a Ventricular Septal Defect (VSD) and tricuspid atresia (shown below). ULTRASOUNDS IMAGING CONSULTANT GA(LMP)=36820 P100 SMHz GER 40 40.1 CG15 CN3 9cm9 220822 72076 IVS +0:48:50 00 Aortic outflow 13 19 EV RV 20 2 7 8 TIS=0.6 At 35 weeks' gestation, additional ultrasonography indicated that further heart defects and the possibility of flexed extremities. Amniocentesis and karyotyping of the fetus (Patient D) shows the results below. cm/s 21 3 9 Hypolastic RV Tricuspid atresia ASD Ostium primum ASD + tricuspid atresia 14 15 16 17 10 11 12 5 22 X 200 18 The karyotype of the fetus (Patient D), written in Human Cytogenetic Nomenclature is: The absence of fetal movement during ultrasonography at 37 weeks led to an immediate caesarean birth. At the time of delivery, the Patient D was found to have decreased neurologic activity and respiratory depression. The patient D's clinical condition worsened, and she died at 5 days of age. What is the most likely reason that Betty is phenotypically normal: Why does the fetus (Patient D) have a phenotype?
Chapter8: Have A Heart
Section: Chapter Questions
Problem 1CP
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