Arrange the events of gene conversion of wild-type allele r to mutant allele r during meiotic recombination.

Question

Haney

Biology

6 February, 06:20

Arrange the events of gene conversion of wild-type allele r to mutant allele r during meiotic recombination.

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Chanel · Answer 1

I found the whole exercise on the internet. Here are the events mentioned:

" - Mismatched bases in the heteroduplex trigger mismatch repair.

-Gaps in the R (wild-type) allele sequence are filled by copying the r (mutant) allele.

-A heteroduplex is formed between R (wild-type) and r (mutant) alleles.

-Mismatched bases are excised from the R (wild-type) allele.

-The wild-type R allele is converted to the mutant r allele."

The correct order is:

1. Gaps in the R (wild-type) allele sequence are filled by copying the r (mutant) allele.

2. A heteroduplex is formed between R (wild-type) and r (mutant) alleles.

3. Mismatched bases in the heteroduplex trigger mismatch repair.

4. Mismatched bases are excised from the R (wild-type) allele.

5. The wild-type R allele is converted to the mutant r allele.