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- 1. Multiple ChoiceWhich of the following happens when a cell divides?Each daughter cell receives its own copy of the parent cell’s DNA.The cell has DNA overload.It becomes more difficult for the cell to get enough oxygen and nutrients.The cell’s volume increases.
- 2. Multiple ChoiceWhat is the role of the spindle during mitosis?It divides the cell in half.It duplicates the DNA.It breaks down the nuclear membrane.It helps separate the chromosomes.
- 3. Multiple ChoiceIf an organism’s diploid number is 12, its haploid number is6.12.24.3.
- 4. Multiple ChoiceGametes are produced by the process ofmeiosis.mitosis.replication.crossing-over.
- 5. Multiple ChoiceUnlike mitosis, meiosis results in the formation of2N daughter cells.haploid cells.body cells.diploid cells.
- 6. Multiple ChoiceDuring normal mitotic cell division, a parent cell having four chromosomes will produce two daughter cells, each containing4 chromosomes2 chromosomes16 chromosomes8 chromosomes
- 7. Multiple ChoiceWhich of the following is a correct statement about the events of the cell cycle?DNA replicates during cytokinesisLittle happens during the G1 and G2 phasesInterphase consists of the G1, S, and G2 phasesThe M phase is usually the longest phase
- 8. Multiple ChoiceWhich of the following is NOT a correct statement about the events of the cell cycle?Interphase is usually the longest phaseDNA replicates during the S phaseCellThe cell grows during the S phase
- 9. Multiple ChoiceHow do the daughter cells at the end of mitosis and cytokinesis compare with their parent cell when it was in G1 of the cell cycle?The daughter cells have half the number of chromosomes and half the amount of
DNA.The daughter cells have the same number of chromosomes and the same amount
of DNA.The daughter cells have half the amount of cytoplasm and half the amount of
DNA.The daughter cells have the same number of chromosomes and half the amount of
DNA. - 10. Multiple ChoiceThe formation of a cell plate is beginning across the middle of a cell and nuclei are re-forming at
opposite ends of the cell. What kind of cell is this?a plant cell in metaphasean animal cell undergoing cytokinesisa plant cell undergoing cytokinesisan animal cell in metaphase - 11. Multiple ChoiceCells that are in a nondividing state are in which phase?G1G2SG0
- 12. Multiple ChoiceDNA is replicated at this time of the cell cycle:SG1MG2
- 13. Multiple ChoiceAsexual reproduction results in identical offspring unless which of the following occurs?Natural selectionCloningCrossing overMutation
- 14. Multiple ChoiceWhich of these statements is false?In humans, the 23rd pair, the sex chromosomes, determines whether the person is
female (XX) or male (XY).In humans, each of the 22 maternal autosomes has a homologous paternal
chromosome.Single, haploid (n) sets of chromosomes in ovum and sperm unite during
fertilization, forming a diploid (2n), single-celled zygote.At sexual maturity, ovaries and testes produce diploid gametes by meiosis. - 15. Multiple ChoiceWhich of the following happens at the conclusion of meiosis I?The chromosome number per cell is conserved.Sister chromatids are separated.Homologous chromosomes are separated.Four daughter cells are formed.
- 16. Multiple ChoiceChiasmata are what we see under a microscope that let us know which of the following is occurring?Crossing overAnaphase IIMeiosis IIe. Separation of homologs
- 17. Multiple ChoiceA human cell containing 22 autosomes and a Y chromosome isa somatic cell of a female.a somatic cell of a male.an egg.a sperm.
- 18. Multiple ChoiceMeiosis producesBody cellsSomaticGametesSkin cells
- 19. Multiple Choice
During which stage does crossing over take place?ABCD - 20. Multiple ChoiceThe result of meiosis is:two diploid cellstwo haploid cellsfour diploid cellsfour haploid cells
- 21. Multiple ChoiceWhen an area of a chromatid is exchanged with the matching area on a chromatid of its homologous chromosome, _________________ occurscrossing overmutagenesishybridizationfertilization
- 22. Multiple ChoiceWhat phase is represented?metaphase 1metaphase 2anaphase 1anaphase 2
- 23. Multiple ChoiceMeiosis makes sperm and egg cells. In humans, sperm and egg cells each have _____ chromosomes. Therefore a fertilized human egg cell (sperm and egg cell combined) would create a cell with _____ chromosomes.23, 4646, 232, 450, 100
- 24. Multiple ChoiceWhat is the next phase of mitosis?ProphaseMetaphaseAnaphaseTelophase
- 25. Multiple ChoiceName the previous phase.ProphaseMetaphaseAnaphaseTelophase
- 26. Multiple ChoiceName the phase:ProphaseMetaphaseAnaphaseTelophase
- 27. Multiple ChoiceName the phase:ProphaseMetaphaseAnaphaseTelophase
- 28. Multiple ChoiceThe organelle that helps in cell division and produces spindle fibers.ChromosomeCentrioleCytoplasmChloroplast
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