Biology, asked by spcharanjith, 10 months ago

why the f1 hybrid in allopolyploidy is sterile?​

Answers

Answered by JagendraSahu
0

Answer:

F1-sterility is caused by mating-type heterozygosity. It can be overcome by eliminating chromosome 2 of the S. uvarum subgenome that carries a MAT locus. The loss of this MAT gene abolishes the repression of mating activity.

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