In a pedigree, a circle represents a female, and a square represents a male. A filled-in circle or square shows that the individual has the trait being studied. The horizontal line that connects a circle and a square represents a marriage.
What does a horizontal line represent in a pedigree chart?
Horizontal lines connect the parents and if the parents are close relatives, the line is doubled. The progeny is connected to the parental line with a vertical line and the subsequent generations are marked by Roman numerals at the left side of the chart, I (parents), II children, (III (grandchildren), and so on.
Who do the squares and circles represent on a pedigree?
A pedigree results in the presentation of family information in the form of an easily readable chart. It can be simply called as a “family tree”. Pedigrees use a standardized set of symbols, squares represent males and circles represent females.
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 the horizontal line between the male and the female represent?
A horizontal line connecting a male and female represents a marriage. A vertical line and a bracket connect the parents to their children. A half-shaded circle or square indicates that a person is a carrier of the trait.
Are females circles or squares?
In this family pedigree, black squares indicate the presence of a particular trait in a male, and white squares represent males without the trait. White circles are females.
Are circles or squares men?
Males are represented by squares and females by circles.
What is the difference indicated by squares and circles?
It shows the inheritance of attached ear-lobes as opposed to the free ones. The squares represent the male individuals and circles represent the female individuals.
What does a vertical line between shapes represent?
Vertical lines are seen as tall and represent grandeur. Horizontal and vertical lines used together in a square or rectangular shape convey structure and represent stability. Diagonal lines move the eye in a direction and indicate movement and fluidity.
What does it mean when two genes are linked choose the one best answer?
When genes are close together on the same chromosome, they are said to be linked. That means the alleles, or gene versions, already together on one chromosome will be inherited as a unit more frequently than not.
How many generations are shown in this pedigree?
(7.4) Pedigree flashcards
|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.|