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- 1. Multiple Choice
In watermelons, green rinds (G) are dominant to striped rinds (g). What is the genotype of a heterozygous green watermelon?GGGggggreen - 2. Multiple ChoiceLong tongues (T) are dominant to short tongues in green tree frogs. What is the probability that two frogs that are heterozygous for long tongues could produce offspring with short tongues?100%75%50%25%
- 3. Multiple ChoiceWhy is crossing over important?Increases the number of genes that can be inheritedIncreases genetic variationDecreases the occurrence of genetic diseasesDecreases the number of genes that can be inherited
- 4. Multiple ChoiceThis process produces four sex cells, each containing half the usual number of chromosomes.meiosismitosis
- 5. Multiple ChoiceThis is an example of a ______________.phenotypegenotypexenotypebase pairs
- 6. Multiple ChoiceThis is an example of _____________.phenotypeheliotypeDNAgenotype
- 7. Multiple ChoiceT4 - Black fur in mice (B) is dominant to brown fur (b). Short tails (T) are dominant to long tails (t). What percentage of the offspring of the cross BbTt x BBtt will have black fur and long tails?0%25%50%100%
- 8. Multiple ChoiceMutations are important because they bring aboutdeath of the organism in which they developgenetic variation needed for a population to evolvebenefits for the individual, not for the populationHardey-Weinberg equilibrium within a population
- 9. Multiple ChoiceWhich of the following pieces of evolution evidence deals with comparing similar structures in various species?fossil recordcomparing embryologycomparing biochemistrycomparing anatomy
- 10. Multiple ChoiceWhich of the following pieces of evolution evidence deals with structures common in embryos that form differently or for different purposes in adult form?fossil recordcomparing embryologycomparing biochemistrycomparing anatomy
- 11. Multiple ChoiceTwo organisms that are closely related would havevery similar DNA sequenceexactly the same DNA sequencesno proteins in commoncompletely different DNA sequence
- 12. Multiple ChoiceSome organisms that share a common ancestor have features that have different functions, but similar structures. These are known asvestigial structuresanalogous structureshomologous structuresfossil structures
- 13. Multiple ChoiceBehavioral changes of individuals of a species that allow for better survival. (Acquired traits)VariationAdaptationBehaviorEnvironment
- 14. Multiple ChoiceWhere the better adapted organisms survive to pass traits along to offspring.EvolutionNatural SelectionExtinctionArtifical Selection
- 15. Multiple ChoiceWhat is the advantage of having different shaped beaks?To look different from other species.To be able to eat the food readily available in the environment.To protect itself against predators.To protect itself against prey.
- 16. Multiple ChoiceThe theory of evolution by natural selection means that what is changing over time?The inherited traits of a population.The acquired traits of a population.Hair color and eye colorAttractive features.
- 17. Multiple Choice
A grizzly bear survives because he is well-adapted to his environment. When he reproduces he passes on those traits to his offspring. this process is called
Natural Selection
Selective Breeding
Random mutations
Variations in a species
- 18. Multiple Choice
Where are hereditary traits stored in all organisms?
In the blood
In the brain
In the DNA
In the heart
- 19. Multiple Choice
Changes in inherited characteristics can cause a species to change into a new one. This change over time is called?
Graduation
Selective Breeding
Revolution
Evolution
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