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- 1. Multiple Choice
Interphase is when a cell is growing, replicating its DNA, and carrying out cell processes. Which of these is correct regarding its occurence?It occurs once before mitosis and once before meiosis.It occurs once before mitosis and twice before meiosis.It occurs once before mitosis and does not occur before meiosis.It does not occur before mitosis and occurs once before meiosis. - 2. Multiple ChoiceWhy would it be important to replicate DNA before a cell divides in mitosis or meiosis?In order for genetic information to be transferred into daughter cells.In order for the cell to be able to increase in size.In order for the DNA to be contained in the nucleus.In order for the cell to re-order the DNA sequencing in the new cells.
- 3. Multiple ChoiceMeiosis produces different types of cells than mitosis. If there was a "meiosis club," all of these cells could be included EXCEPT
(Which cell type is not produced in meiosis?)gametesbody cellssperm cellsegg cells - 4. Multiple ChoiceIn meiosis, crossing over occurs in prophase 1. What is the significance of this event?This process ensures that chromosomes are evenly divided into daughter cells.This process can lead to genetic variation in daughter cells.This process can create gaps in the chromosome DNA for RNA to bind.This process allows for spindles to connect to the chromosomes in order to pull chromosomes apart.
- 5. Multiple ChoiceMitosis is useful for the creation of new cells which is important for all of the following EXCEPTorganism growth.repair of damage.replacement of worn out cells.generation of gametes.
- 6. Multiple ChoiceFruit fly body cells have 8 chromosomes. After mitosis, you would expect a resulting fruit fly daughter cell to have -16 chromosomes.46 chromosomes.8 chromosomes.4 chromosomes.
- 7. 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
- 8. Multiple ChoiceHave you ever heard of a skin graft? Skin cells can be harvested from one area and be grown in order to help burn victims or other skin injuries. Which process would result in the development of more skin cells in this treatment?MitosisMeiosisCrossing OverInterphase
- 9. Multiple ChoiceIn meiosis, the four resulting cells areidentical to the starting cell and different from each other.different from the starting cell and different from each other.identical to the starting cell and identical to each other.different from the starting cell and identical to each other.
- 10. Multiple ChoiceIn which phase does the cell spend most of it's life?InterphaseNuclear DivisionTelophaseMitosis
- 11. Multiple ChoiceWhich of the following is NOT occuring during interphase?Cell growthDNA being copiedDNA condensingTwo new cells are made
- 12. Multiple ChoiceWhich phase comes NEXT?prophasemetaphaseanaphasetelophase
- 13. Multiple ChoiceWhich of these must occur during S phase of the cell cycle so that two daughter cells can be produced during M phase?The DNA must be replicated.The chromosomes must be joined.The cytoplasm must be separated.The cell membrane must be expanded.
- 14. Multiple ChoiceWhich of the following shows the correct sequence of the cell cycle?Mitosis-> G1->S->G2->cytokinesisS->G1-> G2-> mitosis-> cytokinesiscytokinesis->mitosis->G1->S->G2G1->S->G2->mitosis->cytokinesis
- 15. Multiple Choice
An animal’s somatic cells contain 2n chromosomes. What happens to the number of chromosomes in the animal’s gametes?
The number is reduced to n by mitosis.
The number is reduced to n by meiosis.
The number is increased to 4n by mitosis.
The number is increased to 4n by meiosis.
- 16. Multiple Choice
A student wants to examine the cells produced as a result of meiosis under a microscope. Which of these wet mount preparations can be used for such observation?
celery stalks thinly sliced from a mature celery plant
onion root tips from young onions that are still growing
spinach leaves pulled off a healthy plant from a sunny location
anthers extracted from the flower of a lily that is forming pollen
- 17. Multiple Choice
The law of segregation predicts which phenomenon during gamete formation?
Two dominant alleles placed adjacently in the parent’s genome will pass on to different gametes.
Dominant alleles will be passed on to gametes slightly more than half of the time.
When both recessive and dominant alleles for a trait are present in the parent, both will be passed on to the same gamete.
A single random allele from each pair of parent alleles will be passed on to the gamete.
- 18. Multiple ChoiceWhen an area of a chromatid is exchanged with the matching area on a chromatid of its homologous chromosome, _________________ occurscrossing overmutagenesishybridizationfertilization
- 19. Multiple ChoiceWhich process and type of resulting cells are represented?mitosis, gametesmitosis, body cellsmeiosis, gametesmeiosis, body cells
- 20. Multiple ChoiceIf a somatic cell in a butterfly contains 24 chromosomes, a butterfly egg would contain361224
- 21. Multiple ChoiceA male shark has 40 chromosomes in each of its sex cells. How many would be present in its body cells?204080160
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