What is the primary purpose of a pedigree quizlet?

What is the primary purpose of pedigree?

Pedigrees are used to analyze the pattern of inheritance of a particular trait throughout a family. Pedigrees show the presence or absence of a trait as it relates to the relationship among parents, offspring, and siblings.

What does the pedigree symbol consisting of a square with diagonal slash mark through it indicate?

A slash through the symbol indicates that the family member is deceased.

What is the difference between Genogram and pedigree?

A pedigree is a family tree that includes the family members and information about their health. … A genogram is a tool for tracking family history and relationships similar to a family tree.

What is the role of the nurse once the pedigree has been created?

The nurse collects pertinent genetic informa- tion while interviewing the patient or family; their health history reflects the essential ele- ments of the pedigree. In recent years, there has been an increased interest in researching family roots and recording the oral history of ancestors.

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What are 4 reasons suggested as to why to take a family history on a patient?

Importance of collecting patient family health history



Identify whether a patient has a higher risk for a disease. Help the health care practitioner recommend treatments or other options to reduce a patient’s risk of disease. Provide early warning signs of disease. Help plan lifestyle changes to keep the patient well.

Are cousins first degree relatives?

(i) First-degree relatives include an individual’s parents, siblings, and children. … (iii) Third-degree relatives include an individual’s great-grandparents, great grandchildren, great uncles/aunts, and first cousins.

Is a spouse a first degree relative?

A husband and wife are related in the first degree by marriage. For other relationships by marriage, the degree of relationship is the same as the degree of underlying relationship by blood Example: John and Steve are brothers and are therefore second-degree relatives by blood.

What is meant by first relative?

A first-degree relative is defined as a close blood relative which includes the individual’s parents, full siblings, or children. A second-degree relative is defined as a blood relative which includes the individual’s grandparents, grandchildren, aunts, uncles, nephews, nieces or half-siblings.

How are twins indicated on a pedigree?

Dizygotic Twins (non-identical) : Indicated by two diagonal vertical lines originating from the same point. Monozygotic twins (identical): Indicated by two diagonal vertical lines originating from the same point.

Which type of testing is most commonly used to diagnose classic hemophilia?

Complete Blood Count (CBC)



This common test measures the amount of hemoglobin (the red pigment inside red blood cells that carries oxygen), the size and number of red blood cells and numbers of different types of white blood cells and platelets found in blood. The CBC is normal in people with hemophilia.

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Family heirloom