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Genetics & Heredity: Why You Look Like Family

SheelonBiologyScienceEnglishGrades 9-12Published Aug 5, 2026

Genes, chromosomes, dominant and recessive traits, and Mendel's peas. An introduction to how characteristics pass from parents to children.

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  1. Question 1 of 3

    Which molecule carries the instructions for building a living thing?Tap an answer

    Multiple Choice

  2. Question 2 · unlocks after question 1
  3. Question 3 · unlocks after question 2
  1. A trait that is masked when a dominant version is present is called recessive.True / False
  2. How many chromosomes are in a typical human body cell?Multiple Choice
  3. Which pair of sex chromosomes is typically found in human males?Multiple Choice
  4. What is a section of DNA that codes for a particular trait called? (one word)Type Answer
  5. Identical twins have the same DNA.True / False
  6. What is a Punnett square used for?Multiple Choice
  7. A change in the DNA sequence is called a...Multiple Choice
  8. Which of these traits is influenced by environment as well as genes?Multiple Choice
  9. What do we call the different versions of the same gene, such as for brown or blue eyes? (one word)Type Answer

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