Graduate case study related to down syndrome

CASE STUDY ASSIGNMENT EXPECTATIONS – Avoid excessive quoting. Excessive quoting will result in the deduction of points. Use your own voice. Do not copy and paste.
– Please keep responses separated by the question they are answering. This is for grading purposes.
– Your document must be submitted in Word document or PDF format. I cannot accept PAGES format.
– Your main document does NOT need to have APA headers or title pages.
– Please use the most updated APA style guide (7th edition). References must be listed in APA format at the end of your document (references title, appropriate indentation and spacing must be according to APA rules).
– References MUST include AT LEAST ONE scholarly (and recent) reference. This can include a peer reviewed journal or a reputable website (CDC, UpToDate, online journal, .gov, .edu, .org, etc.). Wikipedia is NOT a reputable website. – You may use a textbook, but it must be supported by another scholarly reference. Please do not use a textbook as your only reference, points will be deducted.
Case Study #1_5
Mrs. H is a 45-year-old primipara who was admitted to the labor and delivery unit. She was accompanied by her 48-year-old husband. She walked in the labor room unassisted and in apparent good health. This first delivery is the culmination of an uneventful pregnancy. Mrs. H did have severe episodes of morning sickness during her first trimester but has had not further complications. Admitting blood pressure was 135/78; maternal pulse was 80; and fetal heart rate was 140 bpm. Six hours after admission Mrs. H delivered a 7 lb. 8 oz. baby boy.
Questions (Be sure to provide rationales rather than simple answers)
1. The delivery room nurse immediately noticed that the baby had low set ears, a lot flat nasal bridge, a protruding tongue, and wide epicanthal folds. These characteristics led the nurse to suspect which genetic pathological condition?
I
2. What is the chromosomal aberration that is most likely responsible for the infants condition? Describe what happens in this chromosomal aberration.
3. Explain the basic pathophysiological basis for this condition occurs?