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- 1. Multiple Choice
What is heredity?
The passing of traits from animal to animal.
The passing of traits from Generation X to Generation T.
The passing of traits from parents to offspring.
The passing of traits from offspring to parents.
- 2. Multiple Choice
What happens when a true-breeding plant self-pollinates?
It does not produce offspring.
It produces offspring with the same trait the parent plant has.
It produces offspring with the opposite trait the parent plant has.
It produces twins.
- 3. Multiple Choice
A short true-breeding plant will always produce a short plant.
True
False
- 4. Multiple Choice
Sperm from one plant fertilizes the eggs of the same plant incross-pollinationcross-breedingself-pollinationself-breeding - 5. Multiple ChoiceWhen a plant self-pollinates and all offspring have the same trait as the parent, it is calledtrue-breeding plantcross-breeding plantself-propagating planthybrid plant
- 6. Multiple ChoiceWhen parents with different traits are bred, a trait that reappears in the second generation after disappearing in the first generation is adominant traitrecessive traittrue-breeding traitcharacteristic
- 7. Multiple ChoiceWhen a first-generation plant self-pollinates, what is the ratio of dominant to recessive traits in the second-generation plants?1:33:11:44:1
- 8. Multiple ChoiceDominant traits are more common in a population then recessive traitstruefalse
- 9. Multiple ChoiceWhich type of genetic factor can hide or mask another genetic factor?stronghugedominantrecessive
- 10. Multiple ChoiceWhat part of an organism's genetic makeup is received from its mother?25%50%75%100%
- 11. Multiple ChoiceGregor Mendel is often called _____________. This is due to his experiments with pea plant genetics.The Father of HeredityThe King of PeasThe Father of GeneticsThe Father of Modern DNA
- 12. Multiple Choice
When Mendel crossed a true-breeding purple pea plant with a true-breeding white pea plant, the result was only purple pea plants. Why?
The color purple was the dominate trait
The color white was the dominate trait.
The white peas were sterile.
The purple plants got more nutrients.
- 13. Multiple ChoiceThe trait that shows up in the first generation.DominantRecessive
- 14. Multiple ChoiceThe trait that seems to fade into the background.DominantRecessive
- 15. Multiple Choice
When a(n) __________ plant self-pollinates, it always produces offspring with traits that match the parent.
true-breeding
cross-breeding
self-pollinating
offspring
- 16. Multiple Choice
Crosses between true-breeding plants with white flowers
produced plants with only ______ flowers.
white
purple
- 17. Multiple Choice
For the second generation, Mendel cross-pollinated two hybrids with purple flowers. About ___ percent of the second-generation plants had purple flowers.
100
25
50
75
- 18. Multiple Choice
_____ percent of the second-generation plants had white flowers.
100
25
50
75
- 19. Multiple Choice
The first–generation purple-flowering plants are called _____ plants.
hybrid
cross-breeding
self-breeding
self-pollinating
- 20. Multiple ChoiceWhat organism did Mendel do his famous studies of genetics with?beescarrotspeasmice
- 21. Multiple ChoiceWhat is a factor that is covered up by another trait?RecessiveDominant
- 22. Multiple ChoiceWhat is a factor that covers up another trait?RecessiveDominate
- 23. Multiple ChoiceWhat did Mendel do to make sure his plants didn't self-pollinate?Removed the anther/pollen.Added anthers to the plantRemoved the stigmaCut the stems
- 24. Multiple ChoiceAll offspring in this generation exhibit the dominant trait.The first parent plantsThe first generation offspringThe second generation offspringGeneration X
- 25. Multiple Choice
For what is Gregor Mendel most well known?
his experiments with pea plants which showed that certain traits followed predictable patterns of inheritance
his research on the human genome project
his research with Charles Darwin studying evolution and inheritance
the creation of the Punnett square, a tool used by biologists to predict possible genotypes of offspring
- 26. Multiple Choice
Inherited traits are traits you learned once you were born.
True
False
- 27. Multiple ChoiceWhat is cross pollination?When pollen from a flower fertilizes itself or another flower on the same plantWhen pollen from one flower fertilizes a flower on a different plantA plant whose offspring share the same traits as the parentA plant whose offspring is genetically different from the parent.
- 28. Multiple ChoiceWhat is self-fertilization?When pollen from a flower fertilizes itself or another flower on the same plantWhen pollen from one flower fertilizes a flower on a different plantA plant whose offspring share the same traits as the parentA plant whose offspring is genetically different from the parent.
- 29. Multiple Choice
Pea plants were ideal for genetic studies because they reproduce quickly.
True
False
- 30. Multiple Choice
Self-pollination occurs when pollen from one plant lands on the pistil of a flower on the same plant.
True
False
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