1.

State whether true or false. If false, write the correct statement:1. The structure used to transfer the piece of DNA attached to it into a host ceil is vector. 2. Restriction endonucleases are used to join the DNA fragments having sticky ends. 3. The progeny of a single individual obtained by self breeding is clonal selection. 4. The aim of crop improvement is to develop improved crop varieties.5. International Rice Research institute (IRRI) is in Indonesia.

Answer»

1. True 

2. False – Restriction endonucleases are used to join the DNA fragments having ligase ends. 

3. False – The progeny of a single individual obtained by self breeding is pureline selection. 

4. True 

5. False – International Rice Research institute (IRRI) is in Philippines.



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