Mrs. Savita Manjrekhar
Professor of English
[Your Address]
[City, Pincode]
[Date]
To,
The Principal
J.M. Public School
Cochin
Subject: Regret in Accepting the Invitation for Judging the Debate Competition
Respected Sir/Madam,
I am honored to have received your invitation to judge the inter-school debate competition at your esteemed institution. However, due to prior academic commitments, I regret to inform you that I will not be able to attend the event.
I sincerely appreciate the opportunity and extend my best wishes for the success of the competition. I hope to participate in future events at your institution.
Thank you for your understanding.
Yours sincerely,
Mrs. Savita Manjrekhar
The cloning site present in the \( \textit{rop}\) site of \(\textit{E. coli}\) cloning vector pBR322 is:
Assertion (A): In dihybrid crosses involving sex-linked genes in \(\textit{Drosophila}\), generation of non-parental gene combinations are observed
Reason (R): Two genes present on different chromosomes show linkage and recombination in \(\textit{Drosophila.}\)
How is the interaction between \(\textit{Ophrys}\) and its specific bee pollinator one of the best examples of co-evolution? Explain.