Mendelian Inheritance and Genetics
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Questions and Answers

What is the primary purpose of a Punnett Square?

  • To create a genetic map of an organism
  • To identify the phenotype of an organism
  • To predict the probability of different genotypes in an offspring (correct)
  • To determine the genotype of an organism

    • What is the term for an organism that inherits two alleles of the same type?

  • Heterozygote
  • Dihybrid
  • Monohybrid
  • Homozygote (correct)

    • Which type of cross involves studying the inheritance of two independent traits?

  • Dihybrid Cross (correct)
  • Genotype Cross
  • Punnett Square Cross
  • Monohybrid Cross

    • What determines the physical appearance of an organism?

    <p>Phenotype</p> Signup and view all the answers

    What is the purpose of a monohybrid cross?

    <p>To study the inheritance of one trait</p> Signup and view all the answers

    What is the term for the genetic makeup of an organism?

    <p>Genotype</p> Signup and view all the answers

    What is the genotype representation of a homozygous dominant trait?

    <p>BB</p> Signup and view all the answers

    What is the purpose of a Punnett square?

    <p>To visualize the genotypes and predict the probability of inheriting a specific genotype</p> Signup and view all the answers

    In a monohybrid cross, what determines the phenotype of an offspring?

    <p>The combination of alleles inherited from both parents</p> Signup and view all the answers

    What is the probability of an offspring having the genotype Bb in a monohybrid cross when both parents are heterozygous?

    <p>50%</p> Signup and view all the answers

    What is the genotype of a heterozygote?

    <p>Bb</p> Signup and view all the answers

    What is the typical ratio of phenotypes in a monohybrid cross between two heterozygous parents?

    <p>3:1</p> Signup and view all the answers

    How many phenotypes are possible in a monohybrid cross?

    <p>Two</p> Signup and view all the answers

    What is the purpose of a Punnett square?

    <p>All of the above</p> Signup and view all the answers

    What is the role of the Punnett square columns and rows?

    <p>To organize the alleles from each parent</p> Signup and view all the answers

    What is an example of non-Mendelian inheritance?

    <p>All of the above</p> Signup and view all the answers

    What is the typical ratio of phenotypes in a dihybrid cross between two heterozygous parents?

    <p>9:3:3:1</p> Signup and view all the answers

    What is the result of codominance in the flower on the left?

    <p>Red and white petals</p> Signup and view all the answers

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