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NEET2026BiologyChapterActual

Identify the correct meaning of the given symbol used in human pedigree analysis.

Options

  1. AMating between unrelated individuals
  2. BConsanguineous mating
  3. CDizygotic twins
  4. DCarrier individuals for an autosomal trait

Correct answer

B. Consanguineous mating

Step-by-step solution

In human pedigree analysis, standard symbols are used to represent individuals and their relationships. A square represents a male and a circle represents a female. A single horizontal line connecting a square and a circle indicates mating between unrelated individuals. A double horizontal line connecting a square and a circle specifically denotes consanguineous mating, which refers to mating between blood relatives. Therefore, the given symbol represents consanguineous mating. Answer: Consanguineous mating

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