Genetic Inheritance and Phenotype Quiz
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Questions and Answers

What type of inheritance is hypertrichosis of the auricles if the trait is inherited from father to son and occurs in each generation?

  • autosomal dominant
  • linked to X-chromosome recessive
  • autosomal recessive
  • linked to the Y chromosome (correct)
  • What is the attribute when a male has fused toes, and four of his sons also have fused fingers, while three of his daughters have normal fingers?

  • X-linked
  • recessive
  • dominant
  • holandric (correct)
  • What is the term for pairs of twins in which the inherited trait appears only in one of the pairs?

  • Uncomfortable
  • Concordant
  • Competitive
  • Discordant (correct)
  • What is the method of anthropogenetics based on tracing a trait in a series of generations called?

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

    In genetic consultation, what is mandatory for marriage?

    <p>The presence of a well-established hereditary disease in the family</p> Signup and view all the answers

    What is the method of studying the skin relief on the fingers, palms, and plantar surfaces of the feet called?

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

    In a person with the genotype AABBCC, what would be the expected skin pigmentation?

    <p>Brown (Mulatto)</p> Signup and view all the answers

    If a woman has no milk secretion and milk secretion is determined by polymeric genes, what genotype could she have?

    <p>M1M1m2m2</p> Signup and view all the answers

    If a woman has normal tooth enamel and her husband has enamel hypoplasia caused by a dominant gene located on the X chromosome, how many of their children would be expected to have enamel hypoplasia?

    <p>Only for the sons</p> Signup and view all the answers

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