Question

Fill up the blanks –

The construction of the first recombinant DNA emerged from the possibility of linking a gene encoding antibiotic resistance with a native ______ of ________. Hind II always cut DNA molecules at a particular point by recognising a specific sequence of ______ base pairs. This specific sequence is known as _____ for Hind II. The _____ in DNA is a sequence of base that reads same on the two strands when orientation of reading is kept the same. _____, a pathogen of several dicot plants is able to deliver a piece of DNA known as _____ to transform normal plant cells into tumor cells.

• A. A – Plasmid, Salmonella typhimurium; B – Sex, Recognition sequence, C – Palindrome, D – Agrobacterium tumifaciens, T – DNA
• B. A – Plasmid, Salmonella typhimurium; B – Seven, Recognition sequence, C – Palindrome, D – Agrobacterium tumifaciens, T-DNA
• C. A – Chromosome, Salmonella typhimurium, B – Six, Recognition sequence, C – Palindrome, D – Agrobacterium tumifaciens, T-DNA
• D. A – Plasmid, Salmonella typhimurium; B – Six, Recognition sequence, C – Palindrome, D – Agrobacterium tumifaciens, Z-DNA

Answer 1

Answer: (A)

A – Plasmid, Salmonella typhimurium; B – Sex,

Recognition sequence, C – Palindrome, D – Agrobacterium tumifaciens, T – DNA