UNIT 2 Test Flashcards
A process that involves removing and analyzing part of the placenta is known as?
Chorionic villus sampling
What is the difference between a screening and a diagnositic test for fetal health
Screening tests look at overall risk that a child will have a genetic disorder and this risk is assessed by looking at test results, age.
Diagnostic tests provide a definitive answer or diagnosis about whether a child will be born with a genetic disorder
Which of the following are examples of screening tests
NT ultrasounds and maternal serum screening
Why is multifactorial important in twins
they have the same genes, but environment can also influence it
Similarities between amniocentesis and chorionic villus sampling
Both diagnostics identify a specific diagnosis, and require ultrasound
Duchenne Muscular Dystrophy
Single Gene (X-linked recessive)
Cystic Fibrosis
SIngle Gene (Autosomal recessive)
Huntington’s Disease
Single Gene (Autosomal Dominant)
Down Syndrome
Chromosomal (Trisomy 21)
Leber Hereditary Optic Neuropathy
Mitochondrial
Alzheimer’s Disease
Multifactorial
Hemophilia
Single Gene (X-linked recessive)
Edwards Syndrome
Chromosomal (Trisomy 18)
Kearns-Sayre Syndrome
Mitochondrial
Heart Disease
Multifactorial
Steps of PCR
1.Denature
2. Decrease temperature (Annealing)
3. Put Everything in
4. Extend the DNA
5. Make millions of copies
Steps of Gel Electrophoresis
- Prepare the samples
- Prepare the gel and buffer
- Load samples on the negative side
- Electrophoresis (run the gel)
- Visualize and document bands
Which of these vectors match the given situation
Adeno-Associated Virus
What cuts the TSR2
haeIII
What fragments does that specific enzyme cut
Blunt
What can a genetic counselor not do?
Diagnose you
How is PKU treated?
Proper Nutrition (a low-phenylalanine diet)
A genetic counselor would put together a pedigree to diagnose whether or not a child has a genetic disorder (T or F)
False
