Each generation is represented by a row. Horizontal lines join individuals who have had children together; vertical lines connect their children to them.
What does a vertical line represent in biology?
What do Vertical Lines represent? They connect the parents to their offspring.
What is a vertical pedigree pattern?
Autosomal dominant inheritance is often called vertical inheritance because of the transmission from parent to offspring. Across a population, the proportion of affected males should be equal to the proportion of affected females.
What does a line through a pedigree mean?
A dashed offspring line indicates the individual was adopted into the family, and a solid line indicates the individual was adopted out of the family. Adopted into family male. Adopted out of family male. Deceased: symbol with a diagonal line. Deceased male.
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.
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.
What are the 4 patterns of inheritance?
The most common inheritance patterns are: autosomal dominant, autosomal recessive, X-linked dominant, X-linked recessive, multifactorial and mitochondrial inheritance.