# What do the horizontal line represent in a pedigree?

Contents

Each generation is represented by a row. Horizontal lines join individuals who have had children together; vertical lines connect their children to them. A proband is identified by an arrow pointing towards the symbol for that individual.

## What does a horizontal line represent in a pedigree quizlet?

Terms in this set (15)

What does a Horizontal Line connecting a SQUARE to a CIRCLE mean? It means the male and female are mating. What do Vertical Lines represent? They connect the parents to their offspring.

## What does a horizontal line represent?

In more simple terms, a horizontal line on any chart is where the y-axis values are equal. If it has been drawn to show a series of highs in the data, a data point moving above the horizontal line would indicate a rise in the y-axis value over recent values in the data sample.

## What does a horizontal line between a square and circle mean?

What does a Horizontal Line connecting a SQUARE to a CIRCLE mean? It means the male and female are mating.

## Are circles male or female?

The use of shapes as gender symbols may have originated from kinship diagrams in anthropology, where a circle represents a female and a triangle represents a male.

## How many generations are shown in this pedigree?

(7.4) Pedigree flashcards

A B
How many generations are shown on this pedigree?, 3 generations are shown.
Which individual is a female affected by the trait of interest?, I-2 is the affected female.
Which individual is a male affected by the trail of interest?, III-2 is the affected male.
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## What is the rule for a horizontal line?

A horizontal line is one the goes left-to-right, parallel to the x-axis of the coordinate plane. All points on the line will have the same y-coordinate. In the figure above, drag either point and note that the line is horizontal when they both have the same y-coordinate. A horizontal line has a slope of zero.