PUMPA - SMART LEARNING

எங்கள் ஆசிரியர்களுடன் 1-ஆன்-1 ஆலோசனை நேரத்தைப் பெறுங்கள். டாப்பர் ஆவதற்கு நாங்கள் பயிற்சி அளிப்போம்

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1. What is the name given to the segments of DNA, which are responsible for the inheritance of a particular character?
 
a. Genes are segments of .
 
b. A gene is the fundamental physical and functional unit of .
 
c. Genes are responsible for the inheritance of a particular .
 
d.  are the pair of genes responsible for a specific characteristic in an individual.
 
2. Name the bond which binds the nucleotides in a DNA.

 polynucleotide chains make up the DNA molecule. These chains form a  structure with two strands that run in  directions. The  units that make up the backbone of DNA are connected to  bases in the centre. The pairing of  bases is quite specific. It always occurs between purine and pyrimidine, joined together by  bonds.