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- 1. Multiple Choice
What contributes to genetic variation?
crossing over
law of independent assortment
law of segregation
gene linkage
- 2. Multiple Choice
What is an exception to Mendel's law of independent assortment?
crossing over
gene linkage
law of segregation
- 3. Multiple Choice
Crossing over and independent assortment produce ______________.
gene linkage
genetic variation
polyploidy
- 4. Multiple Choice
A housefly has 6 pairs of chromosomes, how many possible combinations could be produced?
12
6
64
36
- 5. Multiple Choice
How is polyploidy useful in growing crops?
helps make larger plants
plants can grow in harsh environments
plants grow faster
plants grow in normal environments
- 6. Multiple Choice
Name the stage of meiosis shown.prophase 2metaphase 2anaphase 2telophase 2 - 7. Multiple ChoiceName the stage of meiosis shown.prophase 1metaphase 1anaphase 1telophase 1
- 8. Multiple ChoiceName the stage of meiosis shown.prophase 1prophase 2metaphase 1metaphase 2
- 9. Multiple ChoiceWhat process can occur during this stage to increase genetic diversity that doesn't occur during any other stage of meiosis?independent assortmentcrossing overDNA replicationtranscription
- 10. Multiple ChoiceName the stage of meiosis shown.prophase 1metaphase 1anaphase 1telophase 1
- 11. Multiple ChoiceHow are locations of genes determined in gene maps?How often chromosomes separate in anaphase 1frequency of genes separating by crossing overhow homologous pairs pair up in metaphase 1frequency of cells separating in cytokinesis
- 12. Multiple ChoiceWhat is another name for body cells?sex cellsgameteszygotessomatic cells
- 13. Multiple ChoiceHow would you describe the cells produced by meiosis?2 identical diploid cells2 identical haploid cells4 genetically unique diploid cells4 genetically unique haploid cells
- 14. Multiple ChoiceIf an organism's diploid number (2n) is 46, what is its haploid (n) number?4692232
- 15. Multiple ChoiceHow many rounds of division are in meiosis?1234
- 16. Multiple ChoiceWhat does this diagram show?meiosis 1meiosis 2mitosiscrossing over
- 17. Multiple ChoiceIf an organism's haploid (n) number is 5, what is the number of chromosomes in the somatic cells (diploid 2n)?5101520
- 18. Multiple ChoiceGene A, B, and C are on the same chromosome. Gene A separates from gene B 15% of the time and gene B separates from gene C 2% of the time. Which genes are most likely linked?A - BB - CA - Cnone of the above
- 19. Multiple ChoiceGene A, B, and C are on the same chromosome. Gene A separates from gene B 15% of the time and gene B separates from gene C 2% of the time. How far apart are genes A and C in gene map?2 map units15 map units17 map units30 map units
- 20. Multiple Choice
What contributes to genetic variation?
crossing over
law of independent assortment
law of segregation
gene linkage
- 21. Multiple Choice
What is an exception to Mendel's law of independent assortment?
crossing over
gene linkage
law of segregation
meiosis
- 22. Multiple Choice
A housefly has 6 pairs of chromosomes, how many possible combinations could be produced?
12
6
64
36
- 23. Multiple ChoiceWhat process can occur during this stage to increase genetic diversity that doesn't occur during any other stage of meiosis?independent assortmentcrossing overDNA replicationtranscription
- 24. Multiple ChoiceIf an organism's diploid number (2n) is 46, what is its haploid (n) number?4692232
- 25. Multiple ChoiceIf results of recombination do NOT follow Mendel's Law of Independent Assortment, genes are likely to be - - -shuffled during meiosislinkedinheritedon separate chromosomes
- 26. Multiple ChoiceWhich genes are most likely linked?genes 1 & 2genes 2 & 3genes 3 & 4genes 1 & 4
- 27. Multiple Choice
Crossing over and independent assortment produce ______________.
gene linkage
genetic variation
polyploidy
- 28. Multiple Choice
__________________ has been used in agriculture to increase the size of flowers.
genetic variation
genetic recombination
polyploidy
triploid
- 29. Multiple Choice
How is polyploidy useful in growing crops?
helps make larger plants
plants can grow in harsh environments
plants grow faster
plants grow in normal environments
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