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- 1. Multiple Choice
If a daughter cell has 50 chromosomes after mitosis, how many chromosomes were in the parent cells?
25
50
100
150
- 2. Multiple Choice
How does crossing over during meiosis contribute to genetic variation?
Each cell created has chromosomes only from a single parent
Crossing over always causes loss of some genetic information
Because genes will be in a new order on some chromosomes, additional DNA will need to be made
The exchange of genetic material between homologous chromosomes means that a single chromosome now combines genetic information from both parents
- 3. Multiple Choice
What is true in both mitosis and meiosis
production of haploid cells
division of two cells into four
cytokinesis after nuclear division
formation of genetically identical cells
- 4. Multiple Choice
If a cell has an additional chromosome in their nucleus what disorder has occurred?
DNA replicaition
nondisjuction
crossing over
mutation
- 5. Multiple Choice
What is the purpose of crossing over in meiosis?
create mutations in gamets to increase variation
randomly separate homologous chromosomes
reduce the number of chromosomes in gametes by half
create new combination of alleles on homologous chromosome?
- 6. Multiple Choice
A solution high in salt content will have what affect on a plants cell vacuole?
shrink because it will lose water
swell because water is added to the cell
shrink because the cell has grown
swell because water is added to the vacuole
- 7. Multiple Choice
A strawberry plant is able to reproduce asexually, which is an accurate description of how the new plant forms?
parent cells divide by meiosis to produce the offspring
parent cells divide by mitosis to produce the offspring
cells in the new plant will have a different genetic makeup than the parent
cells in the new plant will have half the chromosome number as the parent
- 8. Multiple Choice
How do the differences between cells produced by meiosis and mitosis lead to changes in the next generation?
chromsomes in the next generation will be less stable because crossover will occur during meiosis but not mitosis
because meiosis produces fewer viable cells than mitosis, organisms made with cells from meiosis will be less healthy
the next generation will have smaller cells because cells produced by meiosis have smaller cell membranes than cells produced by mitosis
the next generation will have greater genetic variation because, unlike mitosis cells, meiosis cells are randomly fertilized, and chromosomes are independently assorted.
- 9. Multiple Choice
During the process of meiosis, two sister chromatids for chromosome 3 do not separate. Which type of mutation is most likely involved?
inversion
substitution
crossing over
non disjunction
- 10. Multiple Choice
In which phase of the cell cycle is DNA replicated?
gap 1
gap 2
mitosis
synthesis
- 11. Multiple Choice
Which process converts stored energy into usable energy?
aerobic cellular respiration
anaerobic cellular respiration
aerobic and anaerobic cellular respiration
neither aerobic nor anaerobic cellular respiration
- 12. Multiple Choice
Which of the following statements best explains the role of meiosis in reproduction?
meiosis makes it possible for a zygote to have the correct number of chromosomes
meiosis increases the chances of fertilization because it produces four daughter cells
meiosis results in offspring with genotypes that are not exact copies of the parents
meiosis allows chromosomes to exchange genetic material through crossing over
- 13. Multiple Choice
Uncontrolled cell division is characteristic of
cancer
meiosis
budding
sporulation
- 14. Multiple Choice
Diploid number of a fish is 20, how many chromosomes would normally be found in bone cells of this fish?
10
20
23
40
- 15. Multiple Choice
Fruit 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. - 16. Multiple ChoiceStructure (b) is a ____.chromosomechromatidcentromere
- 17. Multiple ChoiceStructure (a) is a ____.chromosomechromatidcentromere
- 18. Multiple ChoiceStructure (c) is a ____.chromosomechromatidcentromere
- 19. Multiple ChoiceName the phase:AnaphaseTelophaseMetaphaseProphase
- 20. Multiple ChoiceWhat is the next phase of mitosis?ProphaseMetaphaseAnaphaseTelophase
- 21. Multiple ChoiceName the phase:ProphaseMetaphaseAnaphaseTelophase
- 22. Multiple ChoiceThe organelle that helps in cell division and produces spindle fibers.ChromosomeCentrioleCytoplasmChloroplast
- 23. Multiple ChoiceThe cells produced via meiosis are called:sex cellssomatic cellsbody cellsskin cells
- 24. Multiple ChoiceA human usually has xx amount of chromosomes.622446
- 25. 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
- 26. Multiple ChoiceWhat causes genetic variation in meiosis?chromosomes lining upcrossing over of chromosomesseparation of chromosomeschromosomes pulling apart
- 27. Multiple ChoiceUnlike mitosis, meiosis in male mammals results in the formation ofone haploid gametethree diploid gametesfour diploid gametesfour haploid gametes
- 28. Multiple ChoiceDiploid Cells are represented by2nn4n1/2 n
- 29. Multiple ChoiceWhich process and type of resulting cells are represented?mitosis, gametesmitosis, body cellsmeiosis, gametesmeiosis, body cells
- 30. Multiple ChoiceIf a somatic cell in a butterfly contains 24 chromosomes, a butterfly egg would contain361224
- 31. Multiple ChoiceThe chromosomes that pair up during meiosis, are called __________ chromosomes.homozygousasexualhomologousgenes
- 32. Multiple ChoiceThe results of the karyotype indicate that an individual has 3 chromosome #21. Which of the following genetic disorders do they have?Edwards SyndromePatau's SyndromeDown's SyndromeKlinefelter's Syndrome
- 33. Multiple ChoiceWhich sex chromosomes would indicate a typical human male?XXXXYXXY
- 34. Multiple ChoiceWhat is the gender of the individual whose karyotype is seen in the image?MaleFemale
- 35. Multiple ChoiceIs this Karyotype human?YesNoImpossible to Determine
- Answer choicesTagsAnswer choicesTags