Which one of the following symbol set and its representation, used in the human pedigree analysis is correct?
1, 2 and 4 are correct
1, 2 and 3 are correct
1, 3 and 4
1 and 2 only
As discussed in Pedigree Analysis -
As per this question,
Symbol 1 represents consanguineous mating.
Symbol 2 represents an unaffected female
And, Symbol 4 represents sex unspecified.
Hence, the correct option is (d).