For example, both your parents could be type A, but you could still end up with type O. Around 44 per cent of people in Britain have blood group O. Type A accounts for 42 per cent and the balance is made up of less common blood types, including type B and type AB.
A polynucleotide molecule is a biopolymer composed of 13 or more nucleotide monomers covalently bonded in a chain. DNA (deoxyribonucleic acid) and RNA (ribonucleic acid) are examples of polynucleotides with distinct biological function.The prefix poly comes from the ancient Greek ÏÎ¿Î»ÏÏ (polys, many).DNA consists of two chains of polynucleotides, with each chain in the form of a helical spiral.NA (deoxyribonucleic acid) and RNA (ribonucleic acid) are examples of polynucleotides with distinct biological function. The prefix poly comes from the ancient Greek ÏÎ¿Î»ÏÏ (polys, many). DNA consists of two chains of polynucleotides, with each chain in the form of a helical spiral.
Formation of a polynucleotide Nucleic acids are the 'building blocks' of DNA and RNA. The structure of DNA DNA is formed from two polynucleotide chains. Each chain has a helical structure (a helix), in other words the molecule is coiled like a spring.The two helices are then intertwined to give a double helix.ucleic acids Deoxyribonucleic acid (DNA) and ribonucleic acid (RNA) are made up of nucleic acids found in the nuclei of living cells. They are the vehicles of genetic inheritance.