Table of Contents
What’s is Pedigree Analysis?
Pedigree analysis is a technique used in genetics to track the inheritance of specific traits in a family. It can be used to identify genetic conditions, or to determine the likelihood that a particular trait will be passed down from one generation to the next. Pedigree analysis is also used to study the genetic makeup of populations.
Pedigree Chart
A pedigree chart is a diagram that shows a person’s family history. The pedigree chart starts with the person’s parents and goes back in time to show the person’s grandparents, great-grandparents, and so on.
Symbols Used in Pedigree Analysis
A pedigree is a diagram that shows the genetic relationships between individuals in a family. Symbols that are used in pedigree analysis include circles, squares, and triangles.
A circle represents a female, a square represents a male, and a triangle represents a generation. A line connecting two circles, squares, or triangles represents a mating.
A filled-in circle, square, or triangle represents an individual who has the gene for the trait being studied. An open circle, square, or triangle represents an individual who does not have the gene for the trait being studied.
Importance of Pedigree Analysis
The pedigree analysis is a powerful tool that can be used to study the inheritance patterns of particular traits in a population of organisms. It can help to identify the genes that are responsible for the traits and also help to identify the carriers of the genes. The pedigree analysis can also be used to identify the risk of a particular trait being passed down to the offspring.
