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?
What does a horizontal line on a pedigree 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. A completely shaded circle or square indicates that a person expresses the trait.
What does the horizontal line at the end of a vertical line represent in a pedigree?
In a pedigree, a circle represents a female, and a square represents a male. … The horizontal line that connects a circle and a square represents a marriage. The vertical line(s) and brackets below that line show the child(ren) of that couple.
What is a pedigree chart quizlet?
what is a pedigree chart ? chart that shows the genetic history of a family.
What is the purpose of a pedigree chart quizlet?
a pedigree chart can be used to trace a genetic trait back through previous generations by checking occurrence of a disorder or characteristic in all family members.
Which line is horizontal?
A horizontal line is one which runs left-to-right across the page. In geometry, a horizontal line is one which runs from left to right across the page. It comes from the word ‘horizon’, in the sense that horizontal lines are parallel to the horizon. Its cousin is the vertical line which runs up and down the page.
What does the vertical line represent in the pedigree chart?
The pedigree chart displays the lines of descent among close natural relatives. Females are represented by circle, males by squares and if the sex is unknown a diamond is used. The same but smaller symbols or by a vertical or slanted line indicates abortion or still birth over the symbol.
What does the diagonal line mean in a pedigree?
Here is a pedigree. Females are circles. … A diagonal line through a circle or square means the person has died.
What is family pedigree?
A pedigree shows relationships between family members and indicates which individuals have certain genetic pathogenic variants, traits, and diseases within a family as well as vital status. A pedigree can be used to determine disease inheritance patterns within a family. Enlarge.
How do you draw divorce on a pedigree?
If your biological parents are divorced or not together, draw a diagonal line through the horizontal line. If either of your parents have children with a different partner, draw a second relationship line to the other partner.
What is represented in pedigree analysis quizlet?
A pedigree is a diagram of family relationships that uses symbols to represent people and lines to represent genetic relationships. … So that traits can be traced over several generations, similar to a family tree.
What can pedigree analysis reveal quizlet?
The study of an inherited trait in a group of related individuals to determine the pattern and characteristics of the trait, including its mode of inheritance, age of onset, and phenotypic variability.
Which pedigree symbol represents a female carrier?
A male is represented by a square or the symbol ♂, a female by a circle or the symbol ♀.
What kinds of information are found on a pedigree chart?
A pedigree chart is a diagram that shows the occurrence and appearance of phenotypes of a particular gene or organism and its ancestors from one generation to the next, most commonly humans, show dogs, and race horses.
Which is a purpose for which a pedigree chart might be prepared?
Pedigree charts are diagrams that show the phenotypes and/or genotypes for a particular organism and its ancestors. While commonly used in human families to track genetic diseases, they can be used for any species and any inherited trait.
What is the purpose of using a pedigree?
A pedigree is a genetic representation of a family tree that diagrams the inheritance of a trait or disease though several generations. The pedigree shows the relationships between family members and indicates which individuals express or silently carry the trait in question.