WGU D115 Final Exam Study Guide/ (Top 2024/2025 EXAM REVIEW PAPERS / GRADED A+/ 100% Accurate)

WGU D115 Final Exam Study Guide How is transcription best defined? -RNA is synthesized from a DNA template. An amniocentesis indicates a neural tube defect when an increase in which protein is evident? - Alpha fetoprotein Amniocentesis is recommended for pregnant with what history? - Have a family history of genetic disorders 35 or older positive prenatal screening test chromosomal condition or neural tube defect in a previous pregnancy abnormal ultrasound results What is the technique for prenatal diagnosis of chromosomal abnormalities at 10 to 12 weeks' gestation? -Chorionic villus sampling *Amniocentesis is usually performed during the 15th week of pregnancy or later. What is the term for an error in which homologous chromosomes fail to separate during meiosis or mitosis? -Nondisjunction What is the most common cause of Down syndrome? -Maternal nondisjunction What syndrome, characterized by an absent homologous X chromosome with only a single X chromosome, exhibits features that include a short stature, widely spaced nipples, and webbed neck? - Turner Syndrome A person with 47, XXY karyotype has the genetic disorder resulting in which syndrome? - Klinefelter Syndrome When a child inherits a disease that is autosomal recessive, it is inherited from whom? -Both Parents Cystic fibrosis is caused by what type of gene? -autosomal recessive The BRCA1 and BRCA2 mutations increase the risk of which cancer in women? -ovarian Prader-Willi syndrome causes a chromosomal defect that is what? -inherited from the father Which type of immunity is produced by an individual after either natural exposure to the antigen or after immunization against the antigen? -Active-Acquired What type of immunity is produced when an immunoglobulin crosses the placenta? -passiveacquired Where are antibodies produced? -plasma cells Which antibody initially indicates a typical primary immune response? -IgM The common hay fever allergy is expressed through a reaction that is mediated by which class of immunoglobulins? -IgE What are blood transfusion reactions an example of? -Alloimmunity Which statement is true regarding immunodeficiency? -Immunodeficiency is generally not present in other family members. A healthcare professional advises patients to exercise because it has a probable impact on reducing which cancer? -Colo