Question

Read the passage given below and answer the question that follow:

Analysis of the pattern of inheritance of a particular trait through several generations of a family is called pedigree analysis. A graphic representation of the same is called a pedigree chart. It may be used to guess the probability of a child inheriting the trait under study. pedigree chart is drawn by using a standard set of symbols.

The symbols of parents are represented by ______.

विकल्प

• A symbol of a square and a circle joined by a horizontal line.

• A symbol of two circles joined by a horizontal line.

• A symbol of two squares joined by a horizontal line.

• A symbol of a square and a circle joined by a vertical line.

Answer 1

The symbols of parents are represented by a symbol of a square and a circle joined by a horizontal line.

Explanation:

The symbols of parents in a pedigree chart are represented by a square (male) and a circle (female) joined by a horizontal line. This horizontal line signifies mating or union between them. Therefore, the correct answer is a symbol of a square and a circle joined by a horizontal line.