what is a pedigree chart ? chart that shows the genetic history of a family.
What are pedigree charts used for quizlet?
How is Pedigree Used? It’s used to analyze the pattern of inheritance followed by a particular trait, in a chart/tree formation.
Why do scientists use pedigree charts quizlet?
Why do scientists use pedigree charts? They show the inheritance of a trait.
Is it possible to be a carrier of a dominant gene?
The dominant gene outweighs the recessive gene, so while a carrier does not develop the disease, a carrier can pass on the gene with a mutation to his or her child.
What does a half shaded circle represent on a pedigree chart quizlet?
What does it mean if a figure is only half shaded in a pedigree chart? It means that the individual is a homozygous/a carrier.
What is the purpose of a pedigree?
A pedigree can be used to determine disease inheritance patterns within a family. Standard pedigree nomenclature. Common symbols are used to draw a pedigree (family tree). A pedigree shows relationships between family members and patterns of inheritance for certain traits and diseases.
What do circles represent in a pedigree?
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.