Question

Which one of the following technique is employed in human genetic counseling?

• A. Serological technique
• B. Polyploidy
• C. Genetic engineering
• D. Amniocentesis
• E. Pedigree analysis

Answer 1

Answer: (E)

Pedigree analysis

Pedigrees are charts of family histories that show the phenotypes and family relationships of the individuals using symbols to represent different family members. Squares represent males, circles represent females, filled-in-symbols represent individuals who have a genetic condition, and a probandis the first affected family member that seeks medical attention. Such pedigree charts are used for human genetic counseling.