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in Biology by (47.3k points)

How are Pedigree charts prepared ?

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  • Squares denotes males.
  • Circles denotes females.
  • Mating is shown by horizontal line connecting a male symbol with a female symbol.
  • Off springs symbols are rearranged from left to right in the order of their birth and connected by a horizontal line below the parents and this line is connected to the parents marriage line by a vertical line.
  • A solid or blackened symbol represent the individual with the trait under study.
  • An open / clear symbol represents the absence of trait under study.

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