Answer:
The first shape in the picture is light color circle.
Square is for males and circle is for females in genetic pedigree.
- Light color circle is the indication of the carrier female. Carrier are not diseased people but they carry an allele responsible for the diseased.
- Next is Black color filled squre. It is the indication of male having a particular disorder.
- Next is the black color filled circle. Which is the indication of a female having disease.
