Mention the contribution of genetic maps in human genome project it is established that RNA is first genetic material explain by giving three reasons.
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It now seems certain that RNA was the first molecule of heredity, so it evolved all the essential methods for storing and expressing genetic information before DNA came onto the scene. However, single-stranded RNA is rather unstable and is easily damaged by enzymes.
The reason behind mutation occurs
With the exception of certain viruses, DNA rather than RNA carries the hereditary genetic code in all biological life on Earth. DNA is both more resilient and more easily repaired than RNA. As a result, DNA serves as a more stable carrier of the genetic information that is essential to survival and reproduction.
The DNA carreir:-->
To extract the information and get it to the location of cellular machinery that can carry out its instructions (usually the blueprints for a protein, as we will see below) the DNA code is “transcribed” into a corresponding sequence in a “carrier” molecule called ribonucleic acid, or RNA. ... RNA is very similar to DNA.
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It now seems certain that RNA was the first molecule of heredity, so it evolved all the essential methods for storing and expressing genetic information before DNA came onto the scene. However, single-stranded RNA is rather unstable and is easily damaged by enzymes.
The reason behind mutation occurs
With the exception of certain viruses, DNA rather than RNA carries the hereditary genetic code in all biological life on Earth. DNA is both more resilient and more easily repaired than RNA. As a result, DNA serves as a more stable carrier of the genetic information that is essential to survival and reproduction.
The DNA carreir:-->
To extract the information and get it to the location of cellular machinery that can carry out its instructions (usually the blueprints for a protein, as we will see below) the DNA code is “transcribed” into a corresponding sequence in a “carrier” molecule called ribonucleic acid, or RNA. ... RNA is very similar to DNA.
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