Application Questions And Problems

*18. Which types of chromosome mutations

(a) increase the amount of genetic material on a particular chromosome?

(b) increase the amount of genetic material for all chromosomes?

(c) decrease the amount of genetic material on a particular chromosome?

(d) change the position of DNA sequences on a single chromosome without changing the amount of genetic material?

(e) move DNA from one chromosome to a nonhomologous chromosome?

*19. A chromosome has the following segments, where • represents the centromere:

AB^CDEFG

What types of chromosome mutations are required to change this chromosome into each of the following chromosomes? (In some cases, more than one chromosome mutation may be required.)

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