Question

Can you try to explain the inheritance of the character of Free or Attached Ear lobes? Given alongside are pedigree charts of two families A and B. In family A, both parents have free ear lobes and those of family B, have attached ear lobes (Recollect from the previous example what the symbols of circle and square, indicate).
Can you find the answers to the following? What is the difference indicated by
(i)Squares and circles?______
(ii)Solid symbols and hollow symbols? ______

Answer 1

● Sons are represented by squares and daughters are represented by circles.
● Solid symbols show the attached ear lobes while hollow symbols shows the free ear lobes.