Plant Anatomy and Hormones
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Questions and Answers

What is the main characteristic of a dominant gene?

  • Its expression is masked in the presence of a recessive gene
  • It produces the same phenotype in the organism regardless of its allele (correct)
  • It is always inherited from the mother
  • It is always recessive
  • What is the result of a cross between parents that are pure for contrasting traits?

  • All offspring will be heterozygous and express only the dominant trait (correct)
  • Some offspring will express both traits
  • All offspring will be heterozygous and express only the recessive trait
  • All offspring will be homozygous
  • What is the term for the phenomenon where one gene has more than two possible alleles in a population?

  • Multiple alleles (correct)
  • Segregation
  • Incomplete dominance
  • Independent assortment
  • During the process of gamete formation, what happens to the two genes of a pair?

    <p>They segregate, with only one gene from each pair being passed on to each gamete</p> Signup and view all the answers

    What is the term for the phenomenon where the phenotype of hybrids is intermediate between the phenotypes of the two parental varieties?

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

    What is the result of the independent assortment of alleles for one trait and alleles for another trait?

    <p>The alleles segregate independently during metaphase I of meiosis</p> Signup and view all the answers

    What is the characteristic of a recessive gene?

    <p>Its expression is masked in the presence of a dominant gene</p> Signup and view all the answers

    Which of the following is an example of multiple alleles?

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

    What is the main difference between Mendelian and non-Mendelian genetics?

    <p>Mendelian genetics follows the laws of segregation and independent assortment, while non-Mendelian genetics does not</p> Signup and view all the answers

    What is the term for the process where the two genes of a pair separate during gamete formation?

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

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