Sex-cells And Heredity

35 Questions

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Heredity Quizzes & Trivia

Though they can’t be seen by the naked eye, our sex-cells are responsible for us being who we are. What can you tell us about the science behind our genetic makeup and the process of our production?


Questions and Answers
  • 1. 
    What are the sex cells for the female?
  • 2. 
    What are the sex cells for the male?
  • 3. 
    What is another name for sex cells?
  • 4. 
    In meiosis, What happens to the number of chromosomes?
  • 5. 
    How many sex cells are produced during meiosis?
  • 6. 
    How many X chromosomes are found on an egg cell?
  • 7. 
    How many Y cells are found on an egg cell
  • 8. 
    What do we call an organism's physical appearance?
  • 9. 
    Physical characteristics of an organism?
  • 10. 
    The scientific study of heredity is ___________.
  • 11. 
    A factor that controls a trait is called _______________.
  • 12. 
    One that always produces offspring with the same form of a trait as the parent?
  • 13. 
    The process by which the number of chromosomes is reduced by half in sex cells?
  • 14. 
    A chart that shows all the posible allele combinations resulting from a genetic cross?
  • 15. 
    An organism that has 2 different alleles for a trait?
  • 16. 
    An allele whose trait always shows up in the organism when the allele is present?
  • 17. 
    Likelihood that an event will happen?
  • 18. 
    What is a mutation?
  • 19. 
    Are all mutations harmful?
  • 20. 
    A DNA molecule is made up of what four nitrogen bases?
  • 21. 
    How many chromosomes do humans have?
  • 22. 
    How many chromosome pairs do humans have?
  • 23. 
    If an organism has the genes Aa, during meiosis what hapens to those two genes?
  • 24. 
    What are the male sex chromosomes?
  • 25. 
    What are the female sex chromosomes?
  • 26. 
    How do fertilized eggs and uinfertilized eggs compare?
  • 27. 
    What is the term used to describe heterozygous pea plants?
  • 28. 
    What is an organism that contains 2 different alleles for a trait?
  • 29. 
    What is an organism that contains the same alleles for a trait?
  • 30. 
    What is a purebred?`
  • 31. 
    What is a hybrid?
  • 32. 
    A dominant allele is represented with a ________________ letter.
  • 33. 
    A recessive allele is represented by a ________________ letter.
  • 34. 
    Who is the father of genetics?
  • 35. 
    Genes located on the X and Y chromosomes are called ___________________.