(20 pts) \"Genetic testing\" is a type of medical test that identifies changes i
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(20 pts) "Genetic testing" is a type of medical test that identifies changes in chromosomes, genes, or proteins. The results of a genetic test can confirm or rule out a suspected genetic condition or help determine a person's chance of developing or passing on a genetic disorder. More than 1,000 genetic tests are currently in use, and more are being developed." 8. From: Genetics Home Reference, https://ghr.nlm nih Rov/primer#testing Medgar Evers College, CUNY Dr. D. C. Withers BIO 365-ONLP Spring 2018 What are the different types of genetics tests? Go to the Genetic Test Registry https://www.ncbi.nlm.nih.gov/tr/? ga 1.257362699.1428644138.1470074075 a) b) i. How many genetic tests, conditions, and genes are housed at the GTR? i. Select 2 genetic tests for cancer and describe them li. Select another test for another condition and describe the test.Explanation / Answer
Answer No1.
On the basis Of Use and Function Genetic Testing is of Following types :-
1. Newborn screening-
For phenylketonuria
For Congenital hypothyroidism
2. Diagnostic testing
Diagnostic for chromosomal condition. In many cases, genetic testing is used to confirm a diagnosis.
3. Carrier testing
Done in family history of a genetic disorder
4. Prenatal testing
For fetus's genes or chromosomes before birth.
5. Preimplantation testing
also known as preimplantation genetic diagnosis (PGD), and used to detect genetic changes in embryos.
6.Predictive and presymptomatic testing
For certain types of cancer.
Eg.hereditary hematochromatosis
7. Forensic testing
Forensic testing uses DNA sequences to identify crime or catastrophe victims, or crime suspect, or to establish relationships between people at genetic level.
Answer 2.
Answer.A.
TEST-54458
Conditions-11092
Gene-5286 are Housed at GTR.
Answer B.
1.*The BRCA gene test*
is a blood test that uses DNA analysis to identify harmful changes (mutations) in either one of the two breast cancer susceptibility genes — BRCA1 and BRCA2. They Are breast cancer and ovarian cancer gene.
BRCA gene test isn't routinely performed. Done Only on women at average risk of breast and ovarian cancers like With Family History.
an inherited BRCA gene mutation increase risk of breast cancer and ovarian cancer.
2. Welch's two-tailed t test
Myc (c-Myc) is a regulator gene that codes for a transcription factor. A mutation of Myc is found in many cancers,
Changes between mean c- Myc levels at promoters are significant.
Answer C.
1. Prenatal Tetsing
Amniocentesis, a needle is used to take fluid from Amniotic Fluid Cavity In Bomb of mother for testing. The test shows that the child Will Have Chromosomal Defect or Not. some parents may choose not to continue the pregnancy. Genetic counselors can help parents make these difficult decisions.
Abnormalities caused by extra or missing chromosome material can be detected, the most common Type of which is Down’s Syndrome (trisomy 21), where babies have an extra chromosome 21 in every cell or their body.
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