Screening, Testing, and counseling Flashcards
Name two things genetics has influence on
- marriage
- pregnancy
- employment and insurance?
Screening
randomly looking for individuals who have a trait
Testing
testing/checking for a particular trait in a person
gamete testing-sperm
sperm can be sorted and or concentrated
polar body biopsy
testing of polar body yields data about developing dieases
GINA
genetic information nondiscriminatory act. which cannot discriminate against peeps for genetic information
pre-implantation genetic diagnosis
blastomere cell is removed from the embryo. pull of a cell off the genetically identical 8 cell blastomere
carrier
does not express the bad trait but has the gene for it
amniocentesis
samples the amniotic fluid to see if it ideal for pregnancy.
-cons- 16th week of pregnancy and the results take even more time
chorionic villi sampling
uses a piece of the placenta to sample chromosome makeup
- pros - 9-10th week and results are quick
- Cons- can dislodge placenta with a needle
fetoscopy
uses real time visualization
-pros - can do minor surgeries like to sew up spina bifida
serum markers
looking for certain drugs like alpha fetal protein or hcg which check adeuate levels in blood
Cell -free fetal dna
-noninvasive blood tests that test blood that floats around in the blood stream
karyotyping
test the placenta for chromosome count from spontaneous abortions
chromosomal microarray
detects small duplications and deletions found in some conditions
