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Lynna [10]
3 years ago
6

Only ______ segregation produces viable gametes and progeny, which also occurs in about half of meiosis and accounts for semi-st

erility of translocation heterozygotes.
a. Alternate
b. Adjacent-1
c. Adjacent-2
d. Both B & C
Business
1 answer:
ruslelena [56]3 years ago
4 0

Answer:

a. Alternate

Explanation:

Translocation is the process whereby two non-homologous chromosomes undergo mutation by exchanging their parts. This establishes new linkages in the chromosomes. Translocations occur during anaphase I of meiosis. There are two common types of segregations that occur during translocations; Adjacent-1 and Alternate segregations which both have equal chances of occurrence. A less common third one is Adjacent-2 segregation.

Adjacent-1 and Adjacent-2 segregation produces genetically incomplete gametes, therefore, the gametes are non-viable or sterile.

Alternate segregation on the other hand result in the formation of genetically complete gametes, therefore, the gametes produced are viable.

Only <em>alternate</em> segregation produces viable gametes and progeny, which also occurs in about half of meiosis and accounts for semi-sterility of translocation heterozygotes.

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