This is a real-world medical entrance exam question, please give the true answer based on the question and selection. Topic name: Patterns of Genetic Transmission, Subject name: Pediatrics
Atavism means child resembles with his : 
Select and explain. 
A. Father, B. Siblings, C. Grand parents, D. Neighbour
C: Grand parents
Answer: C: Grand parents 
Explanation: Ans. is 'c' Grandparents (Ref Taber's Medical Dictionary).Atavism meansThe appearance of a characterstics presumed to have been present in some remote ancestor due to chance recombination of genes or environmental conditions favourable to their expression in the embryo.