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BS L9
30 Questions
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BS L9

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Questions and Answers

Which blood type combination is NOT possible for a child if the mother has O blood type?

  • O
  • A
  • B
  • AB (correct)

    • What is the blood type of the father if a child has type B blood?

  • A
  • AB
  • B (correct)
  • O

    • What is the blood type of a mother who has a child with type B blood?

  • A (correct)
  • O
  • B
  • AB

    • What is the Rh factor of a person who can develop antibodies against Rh positive blood?

    <p>Rh negative</p> Signup and view all the answers

    What can cause problems during pregnancy due to Rh incompatibility?

    <p>Rh positive blood</p> Signup and view all the answers

    Which type of non-Mendelian inheritance occurs when one gene affects multiple traits?

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

    What is the phenotypic ratio in a dihybrid cross according to Mendelian genetics?

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

    What is the probability of inheriting a specific allele in a monohybrid cross?

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

    Which type of dominance results in a phenotype of the heterozygote that is intermediate between the homozygous phenotypes?

    <p>Incomplete dominance</p> Signup and view all the answers

    What is the role of the environment in altering an individual's phenotype?

    <p>The environment can alter an individual's phenotype, not genotype</p> Signup and view all the answers

    Which of the following is an example of incomplete dominance?

    <p>Color gene in flowers</p> Signup and view all the answers

    Which of the following is an example of co-dominance?

    <p>Coat color in cattle</p> Signup and view all the answers

    Which of the following is an example of multiple alleles?

    <p>ABO blood group</p> Signup and view all the answers

    Which of the following is an example of over dominance?

    <p>Sickle cell anemia</p> Signup and view all the answers

    Which of the following is NOT a type of non-Mendelian inheritance discussed in the text?

    <p>Pro dominance</p> Signup and view all the answers

    Which of the following is an example of pleiotropy?

    <p>Sickle cell anemia</p> Signup and view all the answers

    What is the phenotypic ratio for a double heterozygote cross?

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

    Which of the following is an example of incomplete dominance?

    <p>Cross between red and white flowers producing pink offspring</p> Signup and view all the answers

    What is the probability of inheriting a specific trait?

    <p>25%</p> Signup and view all the answers

    Which of the following is an example of environmental influence on phenotype?

    <p>Hydrangeas and flower color</p> Signup and view all the answers

    Which of the following is true about gene notation and dominance relationships?

    <p>Genes are denoted with a big letter and alleles are denoted with little symbols</p> Signup and view all the answers

    Which of the following is true about ABO blood groups?

    <p>ABO blood groups display codominance</p> Signup and view all the answers

    Which of the following is true about blood types?

    <p>Type B blood has one dominant B allele and one recessive O allele</p> Signup and view all the answers

    Which of the following is true about blood transfusions and donations?

    <p>Type AB can receive any blood type</p> Signup and view all the answers

    Which of the following is true about blood type combinations?

    <p>A combination of one A allele and one O allele results in type A blood</p> Signup and view all the answers

    Which of the following best describes the ABO blood type system?

    <p>The A and B alleles are co-dominant to each other, and both are dominant to the O allele.</p> Signup and view all the answers

    Which of the following best describes the phenotype of individuals with type AB blood?

    <p>They have both A and B antigens on the surface of their red blood cells.</p> Signup and view all the answers

    Which of the following best describes polygenetic inheritance?

    <p>It occurs when multiple genes influence a trait that shows continuous variation.</p> Signup and view all the answers

    Which of the following best describes pleiotropy?

    <p>It occurs when a single gene affects multiple traits.</p> Signup and view all the answers

    Which of the following best describes epistasis?

    <p>It occurs when one gene masks or affects the expression of another gene.</p> Signup and view all the answers

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