Meiosis Phases
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Questions and Answers

What is the fundamental genetic building block in humans and all other life?

  • RNA
  • Chromosome
  • Gene
  • DNA (correct)
  • What is the result when an organism has one dominant gene and one recessive gene?

  • The recessive gene is expressed
  • Neither gene is expressed
  • Both genes are equally expressed
  • The dominant gene is expressed (correct)
  • What is the purpose of DNA replication?

  • To create new cells (correct)
  • To create chromosomes
  • To create proteins
  • To create RNA
  • What is unique about the structure of RNA compared to DNA?

    <p>RNA is single-stranded</p> Signup and view all the answers

    What do the four molecules in DNA pair up as?

    <p>Adenine with thymine and guanine with cytosine</p> Signup and view all the answers

    How many copies of each gene do people typically have?

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

    What role does mRNA play in the process of protein synthesis?

    <p>It serves as a messenger between DNA and the ribosomes</p> Signup and view all the answers

    What is the function of tRNA in protein synthesis?

    <p>It reads the code in mRNA and transfers the appropriate amino acids</p> Signup and view all the answers

    What is the result of a mutation in a gene sequence?

    <p>A protein with the incorrect amino acid sequence</p> Signup and view all the answers

    What is the relationship between chromosomes and genes?

    <p>Chromosomes are bundles of DNA, and genes are segments of DNA that code for proteins</p> Signup and view all the answers

    What is the process of creating a strand of mRNA from DNA called?

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

    Who discovered the laws of heredity while studying pea plants?

    <p>Johann Gregor Mendel</p> Signup and view all the answers

    What is the result of the two divisions of meiosis?

    <p>Four genetically different gametes</p> Signup and view all the answers

    What is the function of a gene in DNA?

    <p>To code for a specific protein</p> Signup and view all the answers

    What is the number of chromosomes in a human cell?

    <p>46 chromosomes</p> Signup and view all the answers

    What is the purpose of heredity?

    <p>To pass on genetic information from parent to child</p> Signup and view all the answers

    During which stage of meiosis do the chromosomes separate?

    <p>Telophase I</p> Signup and view all the answers

    What is the purpose of DNA in chromosomes?

    <p>To carry the genetic code</p> Signup and view all the answers

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