science
Grade-11
Easy

Question

In order to trace occurrence of a trait through several generations of a family, you could create a ____________.

  1. Karyotype
  2. Hemoglobin
  3. Pedigree
  4. Chromosomal map

hintHint:

Chart represented by boxes and circles.

The correct answer is: Pedigree


    Family tree is termed as pedigree in Biology. In pedigree chart, males and females are represented as boxes and circles, respectively.
    In a pedigree chart:
    • Empty circles and boxes represent normal or healthy individuals.
    • Partially shaded circles or boxes indicate carrier
    • Fully shaded circles or boxes represent  affected individuals
    With the help of pedigree chart, one can study the passage of traits from one generation to the next.
    Chromosomal map and karyotype can be used to study the position of genes and structure of chromosome, respectively.

    • A karyotype chart represents the image of an individuals chromosome
    • Chromosomal map represents the genes present in a chromosome
    • Hemoglobin is a protein present in red blood cell
    • Pedigree chart is a tool used to analyze the passage of traits between generations

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