Podcast
Questions and Answers
What do darkened shapes in a pedigree analysis indicate?
What do darkened shapes in a pedigree analysis indicate?
In an autosomal recessive inheritance pattern, which genotype represents an affected individual?
In an autosomal recessive inheritance pattern, which genotype represents an affected individual?
Which of the following is NOT one of the three ethical approaches to decision making?
Which of the following is NOT one of the three ethical approaches to decision making?
What does a line drawn down from a marriage line in a pedigree denote?
What does a line drawn down from a marriage line in a pedigree denote?
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What is a characteristic of the consequence-based ethical approach?
What is a characteristic of the consequence-based ethical approach?
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In sex-linked recessive inheritance, which genotype represents a carrier female?
In sex-linked recessive inheritance, which genotype represents a carrier female?
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Which of the following correctly identifies males in pedigree charts?
Which of the following correctly identifies males in pedigree charts?
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What is the affected genotype in an autosomal dominant inheritance?
What is the affected genotype in an autosomal dominant inheritance?
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What is a primary component of respect in scientific research?
What is a primary component of respect in scientific research?
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Which aspect does beneficence primarily focus on?
Which aspect does beneficence primarily focus on?
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Non-maleficence is best described as the principle of:
Non-maleficence is best described as the principle of:
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When ethical considerations indicate diminished capacity to make decisions, what is essential?
When ethical considerations indicate diminished capacity to make decisions, what is essential?
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What does the concept of beneficence utilize GMO bacteria to achieve?
What does the concept of beneficence utilize GMO bacteria to achieve?
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Which principle requires actions in scientific research to not result in disproportionate harm?
Which principle requires actions in scientific research to not result in disproportionate harm?
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Giving due consideration to cultural heritage is primarily related to which ethical principle?
Giving due consideration to cultural heritage is primarily related to which ethical principle?
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What is crucial before proceeding with actions in scientific research that might cause harm?
What is crucial before proceeding with actions in scientific research that might cause harm?
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What does a Duty-based approach primarily emphasize in ethical decision making?
What does a Duty-based approach primarily emphasize in ethical decision making?
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How does a Virtues-based approach differ from a Duty-based approach?
How does a Virtues-based approach differ from a Duty-based approach?
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Which of the following is NOT one of the five ethical concepts considered in decision making?
Which of the following is NOT one of the five ethical concepts considered in decision making?
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What is meant by the concept of Integrity in ethical decision making?
What is meant by the concept of Integrity in ethical decision making?
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Under a Duty-based ethical framework, which aspect is prioritized above all?
Under a Duty-based ethical framework, which aspect is prioritized above all?
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In the context of ethical decision making, what does Beneficence refer to?
In the context of ethical decision making, what does Beneficence refer to?
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Which ethical principle would likely oppose testing on animals even if the benefits could be justified?
Which ethical principle would likely oppose testing on animals even if the benefits could be justified?
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What is the purpose of adhering to the ethical concept of Justice?
What is the purpose of adhering to the ethical concept of Justice?
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Study Notes
Karyotype
- Squares represent males in a family pedigree.
- Circles represent females in a family pedigree.
- Darkened shapes indicate individuals with the trait.
- A line between a male and female represents their marriage or union.
- A line drawn down from the marriage line indicates offspring.
Modes of Inheritance
- Autosomal Dominant: Affected individuals have either AA or Aa genotypes. Unaffected individuals have aa genotype.
- Autosomal Recessive: Affected individuals have bb genotype. Healthy individuals have either BB or Bb genotype, with Bb representing carriers who do not show the trait but can pass it on.
- Sex-Linked (X) Dominant: Affected females have either XHXH or XHXh genotypes. Affected males have XhY genotype. Unaffected females have XHXH genotype. Unaffected males have XHY genotype.
- Sex-Linked (X) Recessive: Affected females have XrXr genotype. Affected males have XrY genotype. Unaffected females have either XRXR or XRXr genotype. Unaffected males have XRY genotype.
Pedigree Analysis
- Pedigree analysis is used to study inheritance patterns and predict the probability of offspring inheriting specific traits.
Worked Example
- In the provided example, both parents are heterozygous for the trait (Aa).
- The possible genotypes for their offspring are AA, Aa, and aa.
- The offspring with AA or Aa genotypes will exhibit the trait, while those with aa genotype will not.
Ethics
Ethical Decision Making Approaches
- Consequence-Based: Focuses on maximizing positive outcomes and minimizing negative effects.
- Duty-Based: Emphasizes acting based on moral obligations and rules, regardless of consequences.
- Virtues-Based: Considers the moral character of the person and the actions that reflect good virtues.
Ethical Concepts
- Integrity: The commitment to honest and transparent research, including reporting both favorable and unfavorable results.
- Respect: Recognizing the inherent value and/or instrumental value of living things. This involves considering welfare, autonomy, beliefs, and cultural heritage.
- Beneficence: Seeking to maximize benefits and minimize risks and harms involved in research.
- Non-maleficence: Avoiding causing harm, ensuring that any potential harm is proportionate to potential benefits.
- Justice: Treating people fairly and equitably, ensuring that decisions are made in a just and impartial manner.
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Description
Test your knowledge on karyotypes and modes of inheritance in genetics. This quiz covers pedigree charts, autosomal dominant and recessive traits, as well as sex-linked inheritance patterns. Understand the genetic makeup and relationships in family pedigrees.
