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- 1. Multiple ChoiceThe purpose of selective breeding is toGet bigger animalsget smaller animalscreate animals with desirable traitscreate animals with bad traits
- 2. Multiple ChoiceWhere humans have bred organisms together based on traits we like.EvolutionNatural SelectionExtinctionArtificial Selection
- 3. Multiple ChoiceProblems with selective breeding includeBetter animalsMore MeatAnimals can have bad health problemsmore diversity
- 4. Multiple ChoiceHH, DD, ddHeterozygousHybridPurebredPhenotype
- 5. Multiple ChoiceThe physical appearance of a gene:GenotypeHeredityPhenotypeAllele
- 6. Multiple ChoiceThe genetic make up of a trait:GenotypePhenotypeChromosomeHybrid
- 7. Multiple ChoiceA trait that will appear no matter what it is paired with is said to be:RecessiveDominantHybrid
- 8. Multiple Choice
Which is an example of SELECTIVE BREEDING ?
(also called artificial selection)
A giraffe’s long neck.
Training a horse to run faster.
Clipping a horse’s tail so it is not too long.
Cross breeding a labrador retriever with a poodle.
- 9. Multiple ChoiceHow are HYBRIDIZATION and INBREEDING similar?
HINT: Selective breeding is when organisms are bred for the purpose of passing on specific or favorable traits to the next generation. Inbreeding is a type of selective breeding that crosses two organisms with similar genetic traits. Hybridization is a type of selective breeding that crosses two organisms with different genetic traits.Both are a form of natural selection.Both are a form of selective breeding.Both result in no change in genetic traits.Both involve breeding organisms with similar genetic traits. - 10. Multiple Choice
“People identify the trait they want, then only allow animals with that trait to breed with one another.” BEST matches:
Asexual Reproduction
Natural Selection
Selective Breeding
- 11. Multiple Choice
What is one of the processes involved in selective breeding?
Choosing individuals from different species to breed together
Letting individuals reproduce without interference
Choosing individuals with desirable features
- 12. Multiple Choice
An animal welfare group is wondering about if the effects of selectively breeding cows to produce more milk is bad for the cows. What would be the BEST question the firm could ask to determine the effects of selectively breeding the cows?
What does the milk of the selectively bred cows taste like?
What is the diet the cows are fed in order to produce milk?
Are there negative traits in the selected traits on the cow population?
Can you make more money by producing the cows with the desired traits?
- 13. Multiple Choice
A scientist wants to find out if they can genetically create a flower that glows in the dark. The answer to which of the following questions would best help the scientist reach this goal?
How can the flower produce more pollen?
Is there a gene that controls the trait for glowing in the dark?
Is there a paint that can be sprayed on the flower to make it glow?
Is there a mineral that can be added to the water or soil to cause the flower to glow?
- 14. Multiple Choice
A park ranger wants to increase the number of plants with sweet smelling flowers in her park. In the park, there are very few plants with sweet smelling flowers. Scientists think this is because plants with sweet smelling flowers are eaten by animals in the park before the plants can reproduce.
The park ranger knows that the trait of sweet smelling flowers in a particular species of plant is recessive and the trait of non-sweet smelling flowers is dominant. She is planning to select only individuals of this plant species with sweet smelling flowers to breed and produce offspring. Her goal is that all of the offspring will have sweet smelling flowers, which she can plant in her park. A Punnett square model of her plan is below.
Which question most accurately identifies the problem with the selective breeding in this scenario?
Will the animals in the park quickly starve based on the changes made to the population of plant species?
How will the plant species compete for resources in the park now that the population size is likely to go up generation after generation?
How will the plant species survive in the park if no offspring have the dominant trait generation after generation?
What will happen to the plant species if dominant allele comes back into the plant species population?
- 15. Multiple Choice
Since the 1800’s an increase in selectively breeding dogs for human desired traits has increased. What can be a negative effect to selectively breeding dogs?
Dog owners only want an attractive dog to show off.
Dogs can only breed with dogs that look like them.
Dogs without the traits will become undesirable to all humans.
Dogs can inherit traits that are negative to the dog’s health.
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