Table 8 Comparison of knowledge between both groups of graduates (Domain 3)
From: Knowledge of genetics of hearing and genetic counseling among practicing audiologists
Inheritance pattern | Correct response N (%) | Incorrect response N (%) |
|---|---|---|
1.Genetic diseases can be categorised into? (Single-gene, multifactorial and chromosomal) | Â | Â |
 M.ASLP | 61 (88.41%) | 8 (11.59%) |
 M.Sc. Audiology | 60 (93.75%) | 4 (6.25%) |
2.For a patient with hereditary hearing loss, how many generations in a pedigree chart are required for finding the pattern of inheritance? (Three generations) | Â | Â |
 M.ASLP | 42 (60.87%) | 27 (39.13%) |
 M.Sc. Audiology | 44 (68.75%) | 20(31.25%) |
3.How many copies of a gene are mutated to express the phenotype of a condition in autosomal dominant disorder? (One copy) | Â | Â |
 M.ASLP | 31 (44.93%) | 38 (55.07%) |
 M.Sc. Audiology | 36 (56.25%) | 28 (43.75%) |
4. The below pedigree chart shows which pattern/mode of inheritance? (Autosomal recessive inheritance) | Â | Â |
 M.ASLP | 41 (59.42%) | 28 (40.58%) |
 M.Sc. Audiology | 35 (54.69%) | 29 (45.31%) |
5. Mitochondrial associated mutation is? (Maternal inheritance) |  |  |
 M.ASLP | 26 (37.68%) | 43 (62.32%) |
 M.Sc. Audiology | 25 (39.06%) | 39 (60.94%) |
6. The below pedigree chart shows which pattern/mode of inheritance? (X-Linked dominant inheritance) | Â | Â |
 M.ASLP | 33 (47.83%) | 36 (52.17%) |
 M.Sc. Audiology | 24 (37.5%) | 40 (62.5%) |
7. Usher’s syndrome is a type of? (Autosomal recessive inheritance) |  |  |
 M.ASLP | 39 (56.52%) | 30 (43.48%) |
 M.Sc. Audiology | 40 (62.5%) | 24 (37.5%) |
8. A newborn child has a bilateral profound sensorineural hearing impairment. This type of hearing impairment can be inherited in one of the following patterns? (Recessive or Dominant- Both) | Â | Â |
 M.ASLP | 45(65.22%) | 24 (34.78%) |
 M.Sc. Audiology | 43 (67.19%) | 21(32.81%) |