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Sequence No.


(i) What do TP and ‘B’ stand for in ‘YAC’ and ‘BAC’ used in Human Genome Project (HGP)? Mention their role in the project.
(ii) Write the percentage of the total human genome that codes for protein and the percentage of discovered gene whose functions are known as observed during HGP.
(iii) Expand SNPs identified by scientiests in HGP.



(i) ‘Y’ stand for yeast in the word YAC (Yeast Artificial Chromosome) and ‘B’ stands for bacteria in the word BAC (Bacterial Artificial chromosomes). These are used as vectors in cloning of DNA.
(ii) Less than 2% of the total human genome codes for protein. Functions of 50% of discovered genes are not known.
(iii) SNPs stands for single nucleotide polymorphism.

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