OBJECTIVE LIFE SCIENCE
GENETICS
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Question
[CLICK ON ANY CHOICE TO KNOW THE RIGHT ANSWER]
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What is the purpose of using a pedigree?
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To determine the average age of a family
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To find out family histories and medical records
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To find out whether a couple can have a boy or a girl
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To trace the inheritance of a certain trait through generations
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Explanation:
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: -Given pedigree shows the inheritance of an autosomal recessive gene (A/a).
Detailed explanation-3: -These diagrams are used to determine the mode of inheritance of a particular disease or trait, and to predict the probability of its appearance among offspring. Pedigree analysis is therefore an important tool in both basic research and genetic counseling.
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