Zoology - Principles of Inheritance and Variation Question with Solution | TestHub

Pedigree chart is a diagram which shows appearance of phenotype of a particular gene. It is used to identify that the trait mentioned is dominant or recessive. It is also used to identify that the gene for this trait is present on autosome or sex-chromosome. It also traces inheritance of a particular trait. On this basis pedigree is mainly of following types - (i) Autosomal Dominant (ii) Autosomal Recessive (iii) Sex-linked Dominant (iv) Sex-linked Recessive.