QUESTIONS AND 100% APPROVED
CORRECT ANSWERS GRADED A+ 2025
FIRST CLASS PASS
2025 EXAM
A +
, PDF: GRADED A+ EXAM
WGU D115 FINAL STUDY GUIDE EXAM
QUESTIONS AND 100% APPROVED
CORRECT ANSWERS GRADED A+ 2025
FIRST CLASS PASS
How is transcription best defined? - CORRECT ANSWER RNA is synthesized from a DNA
template.
An amniocentesis indicates a neural tube defect when an increase in which protein is evident? -
CORRECT ANSWER Alpha fetoprotein
Amniocentesis is recommended for pregnant with what history? - CORRECT ANSWER 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? - CORRECT ANSWER 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? - CORRECT ANSWER Nondisjunction
What is the most common cause of Down syndrome? - CORRECT ANSWER 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? - CORRECT ANSWER Turner Syndrome
A person with 47, XXY karyotype has the genetic disorder resulting in which syndrome? -
CORRECT ANSWER Klinefelter Syndrome
When a child inherits a disease that is autosomal recessive, it is inherited from whom? -
CORRECT ANSWER Both Parents
Cystic fibrosis is caused by what type of gene? - CORRECT ANSWER autosomal recessive
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