Choose the statement which is not correct about pedigree analysis.

Question

Choose the statement which is not correct about pedigree analysis., It helps to understand whether the trait in question is dominant or recessive., It confirms that the trait is linked to one of the auto-some., It helps to trace the inheritance of a specific trait., It confirms that DNA is the carrier of genetic information.

MARKS App · Accepted Answer

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.

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