WGU D115 Final Exam Study Guide | Latest 2023/24 | Updated & Verified | Guaranteed Success

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