dna and genome

• Why is it important to understand the human genome?

  It helps in disease research and treatment
• Where are chromosomes found in cells?

  nucleus
• What do chromosomes contain?

  The molecule DNA
• Why is DNA referred to as genetic material?

  It determines inherited features
• What is the structure of DNA described as?

  A double helix
• What does each strand of DNA consist of?

  A polymer of smaller molecules
• What is a gene?

  A small section of DNA on a chromosome
• What does the blood type gene determine?

  The sequence of amino acids for blood type protein
• How many genes does chromosome 9 have?

  Over 700 different genes
• What do both chromosomes in a pair have in common?

  They have the same genes
• What is the genome?

  The entire genetic material of an organism
• What is one benefit of understanding the human genome?

  It helps search for disease-linked genes
• How can understanding the human genome help with inherited disorders?

  It aids in understanding and treating them
• What can the human genome be used to trace?

  Human migration patterns from the past
• What can studying the human genome help people discover?

  Their ancestry
• What are the key points about the structure of DNA?

  • DNA consists of two strands
  • Each strand is a polymer of smaller molecules
  • The strands form a double helix
• What are the benefits of understanding the human genome?

  • Search for genes linked to diseases
  • Understand and treat inherited disorders
  • Trace human migration patterns