Charting Lineage: Pedigree Chart Reading Quiz

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| By Despinoza
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Quizzes Created: 2 | Total Attempts: 21,405
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  • 1/6 Questions
    How many affected individuals are on this pedigree chart, and how can you tell? - ProProfs

    How many affected individuals are on this pedigree chart, and how can you tell?

    • 6, those who are shaded black
    • 3, those who are shaded black with a slash
    • 11, those who have a slash
    • 12, those who are not shaded
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About This Quiz

Dive into the intricate world of genealogy with our 'Charting Lineage: Pedigree Chart Reading Quiz.' Unravel the complexities of pedigree charts, testing your skills in deciphering family relationships, genetic traits, and ancestral connections. This quiz is designed to enhance your understanding of genealogical charting techniques and unveil your proficiency in tracing familial history.

Whether you're a budding genealogist or just curious about your roots, this quiz offers a stimulating journey through the art of interpreting pedigree charts. Challenge yourself with questions that delve into the heart of familial connections and chart your course through the branches of ancestry.

For a formal definition of the topic, it's a chart that is used to track the presence or absence of phenotype through one or more generations of a family. This quiz is a short assessment test for you consisting of six questions.

Charting Lineage: Pedigree Chart Reading Quiz - Quiz

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  • 2. 
    How many members of this family are deceased? - ProProfs

    How many members of this family are deceased?

    • 11

    • 6

    • 9

    • 4

    Correct Answer
    A. 11
    Explanation
    The answer is 11 because it is the highest number among the options provided. This suggests that out of the given options, 11 is the number of deceased members in the family.

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  • 3. 
    The parents that begin this chart are the first generation. How many of their children were albinos? - ProProfs

    The parents that begin this chart are the first generation. How many of their children were albinos?

    • 2

    • 6

    • 4

    Correct Answer
    A. 2
    Explanation
    The question asks how many of the first generation's children were albinos. The answer is 2, indicating that only two children out of the total number of children had albinism.

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  • 4. 
    Is this chart following a dominant or recessive trait and how do you know? - ProProfs

    Is this chart following a dominant or recessive trait and how do you know?

    • Dominant, because it shows up only in males

    • Dominant because most of the people affected have died

    • Recessive because it did not show up in every generation

    • Recessive because it shows up only in males

    Correct Answer
    A. Recessive because it did not show up in every generation
    Explanation
    The correct answer is recessive because it did not show up in every generation. This suggests that the trait is not consistently present in each generation, which is a characteristic of a recessive trait. If the trait was dominant, it would be expected to appear in every generation, as it would be passed on from at least one affected parent to their offspring.

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  • 5. 
    If this chart is following the recessive trait for albinism (people who are albinos, aa), then what is the genotype of the parents at the top of the chart? - ProProfs

    If this chart is following the recessive trait for albinism (people who are albinos, aa), then what is the genotype of the parents at the top of the chart?

    • Aa and Aa

    • Aa and aa

    • Aa and Aa

    • AA and AA

    Correct Answer
    A. Aa and Aa
    Explanation
    Based on the information given, the chart is following the recessive trait for albinism. This means that individuals who are albinos have the genotype aa. Therefore, the genotype of the parents at the top of the chart must be Aa, as they are carriers of the recessive allele but do not express the trait themselves.

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  • 6. 
    In the third generation, what is the genotype of the only child of the third mating from the left ? - ProProfs

    In the third generation, what is the genotype of the only child of the third mating from the left ?

    • Aa

    • AA

    • A

    • Aa

    Correct Answer
    A. Aa
    Explanation
    For a child to be affected by an autosomal recessive condition, both alleles must be the recessive form (a). Since both parents are carriers (Aa), they each contributed a recessive allele, making the child's genotype aa.

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  • Current Version
  • Sep 17, 2024
    Quiz Edited by
    ProProfs Editorial Team
  • May 11, 2012
    Quiz Created by
    Despinoza
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