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Chromosome #4, an autosome of the diploid smorglefuger, is rod-shaped and normal

ID: 66714 • Letter: C

Question

Chromosome #4, an autosome of the diploid smorglefuger, is rod-shaped and normally has its centromere positioned at one end (telocentric). A circular variant of this chromosome exists, and except for the lack of physical ends (telomeres) of the chromosome, it is identical in genetic content to the rod-shaped variety; therefore, the two variants will synapse normally. The position of five genes (a-e) on the two forms of this chromosome are shown below; the five genes are all equally spaced along the chromosome.

Explanation / Answer

PART A.

option (a)

PART B.

option (c)