What do the horizontal line represent in a pedigree?

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.

Family heirloom