PATHOLOGY MCQ
GENETICS AND DISEASE
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Question
[CLICK ON ANY CHOICE TO KNOW THE RIGHT ANSWER]
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a chart that tracks which members of a family have a particular trait
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a geneticist who studies the inheritance of traits in humans
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a picture of all the chromosomes of a cell
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an allele passed from parent to child on a sex chromosome
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Detailed explanation-1: -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.
Detailed explanation-2: -A pedigree, as related to genetics, is a chart that diagrams the inheritance of a trait or health condition through generations of a family. The pedigree particularly shows the relationships among family members and, when the information is available, indicates which individuals have a trait(s) of interest.
Detailed explanation-3: -It can be simply called as a “family tree". Pedigrees use a standardized set of symbols, squares represent males and circles represent females.
Detailed explanation-4: -A pedigree chart displays a family tree, and shows the members of the family who are affected by a genetic trait. This chart shows four generations of a family with four individuals who are affected by a form of colorblindness. Circles represent females and squares represent males.
Detailed explanation-5: -A pedigree shows inherited traits, or traits controlled by genes that are inherited or passed from parent to offspring. Inherited traits can also be called genetic traits. Some examples of inherited traits are height, eye colour and blood type.