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- 1. Multiple ChoiceHaving two of the same genes for the trait (TT, tt); Both dominant or both recessive.homozygous or purebredheterozygous or hybridtwin offspringpairs of chromosomes
- 2. Multiple ChoiceWhich of the following alleles is homozygous (purebred) recessive?TtttTTt
- 3. Multiple ChoiceDominant alleles are represented by a:Male genelowercase letterrecessive traitcapital letter
- 4. Multiple ChoiceWhere is DNA in a eukaryotic cell?CytoplasmCell membraneNucleusVacuole
- 5. Multiple Choice
Which of the following best describes a DNA molecule?double helixnot present in plantsfound in non-living thingsDNA is an element on the periodic table - 6. Multiple ChoiceG = green, g = yellow
The genotype for a yellow plant is...GGGgggall of the choices result in yellow - 7. Multiple ChoiceT = tall an t = short
TT and Tt would result in the following phenotypeshorttallmedium sizedneither tall or short - 8. Multiple ChoiceWhat gender has an X and a Y chromosome?malefemaletransgenderall of the above
- 9. Multiple ChoiceWhat is the cause of some traits "skipping" a generation?dominant traitsrecessive traitsmutationsnatural selection
- 10. Multiple ChoiceWho is considered the "father of genetics"?Gregor MendelReginald PunnettJames WatsonJustin Bieber
- 11. Multiple ChoiceIf one stronger trait "covers" up another weaker trait, the trait that covers the other is said to be:DominantHeterozygousRecessiveHidden
- 12. Multiple ChoiceWhy did the population of peppered moths in England change from light to dark after the Industrial Revolution?Light moths were easy to see against sooty trees and were eatenLight moths were killed by sootThe birds that ate the dark moths were killed by sootDark moths were produced by industrial processes
- 13. Multiple ChoiceWhich of the following statements best describes how adaptations benefits an organism?It guarantees that the organism will surviveIt increases an organism's chances of survivalIt guarantees that an organism will have a stout beakIt increases an organism's chance of becoming extinct
- 14. Multiple Choiceorganisms with similar traits, and number of chromosomes, that are able to reproduce with each other and have fertile offspringSpeciesFitnessFamilyTrait
- 15. Multiple Choicewhen all members of a species have diedExtinctionEvolutionMutationVariation
- 16. Multiple ChoiceComplex molecule that carries genetic information that defines an organism's traits. It is stored in the nucleus.DNAproteinRNAglucose nucleic acid (GNA)
- 17. Multiple ChoiceT - tall and t = short
In the punnett square below, what belongs in the missing squarettTtBbTT - 18. Multiple ChoiceAA and Aa always show up asdominantrecessive
- 19. Multiple ChoiceAa ishomozygousheterozygous
- 20. Multiple ChoiceWhat ratio of the offspring from the cross shown will be homozygous recessive for the trait of tallness?0 in 41 in 42 in 44 in 4
- 21. Multiple ChoiceIn a pedigree, what shape represents a male?circlesquaretrianglediamond
- 22. Multiple ChoiceWhat is a phenotype?The expression of a trait; what you see.refers to the genetic makeup of an individualAn organism that has the same genes for a trait (ex. TT or tt)the passing of traits from parent to offspring
- 23. Multiple ChoiceA human usually has _____ total chromosomes.622446
- 24. Multiple ChoiceThe nitrogen base guanine is always paired up with the nitrogen base ________________.thymineguaninecytosineadenine
- 25. Multiple ChoiceThe nitrogen base adenine is always paired with the nitrogen base ____________.cytosineguaninethyminenitrogen
- 26. Multiple ChoiceIn a DNA molecule, if there are 5 adenines, thre should be _______________ thymines.1052.5cannot tell
- 27. Multiple ChoiceThe blood stain most likely belongs toBobSueJohnLisa
- 28. Multiple ChoiceWhy is DNA fingerprinting used?To determine who is the child's fatherLink suspects to a crime scenedetermine if a family relationship exist between two peopleall of the above
- 29. Multiple ChoiceAccording to the karyotype to the right, which of the following is true? A. B. C. The gender cannot be determined by the karyotype D. Karyotype shows a male with no genetic disordersKaryotype shows a female with Down SyndromeKaryotype shows a male with Down SyndromeThe gender cannot be determined by the karyotypeKaryotype shows a male with no genetic disorders
- 30. Multiple ChoiceTwo brown eyed parents (Bb) have a baby. What is the chance the baby is blue eyed?0 %25%50%75%
- Answer choicesTagsAnswer choicesTags