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DNA is a dynamic and adaptable molecule. As such, the nucleotide sequences found within it are subject to change as the result of a phenomenon called mutation.
Sickle cell disease (SCD) is amonogenetic disorder due to a single base-pair point mutation in the β-globin gene resulting in the substitution of the amino acid valine for glutamic acid in the β-globin chain.
Sickle cell anemia results from the single amino acid substitution of valine for glutamic acid in the beta-chain owing to a nucleotide defect that causes the production of abnormal beta-chains in hemoglobin S
Sickle cell anemia results from the single amino acid substitution of valine for glutamic acid in the beta-chain owing to a nucleotide defect that causes the production of abnormal beta-chains in hemoglobin S
A mutation is a permanent, heritable change in the nucleotide sequence or the process by which such a change occurs in a gene or in a chromosome.
There are two major types of mutations: small-scale and large-scale. Small-scale mutations are genetic mutations, often in the form of substitutions, deletions, and insertions of one or more nucleotides. Mutations occurring in certain areas of chromosomes are large-scale mutations.
originally posted by: datguy
a reply to: whereislogic
Wow, you got really butt hurt and then assumed I had no idea what I talking about. As if there was more evidence of god than evolution, oh wait...
Anywhoo...here some interesting information on cymatics that maybe you could understand before assaulting, based on the use of certain terminology.
A mutation (Section 14.1) is a change in the nucleotide sequence of a short region of a genome (Figure 14.1A). Many mutations are point mutations that replace one nucleotide with another; others involve insertion or deletion of one or a few nucleotides. Mutations result either from errors in DNA replication or from the damaging effects of mutagens, such as chemicals and radiation, which react with DNA and change the structures of individual nucleotides.
4) that is NOT the genetic code, that is an example of the nucleotide bases that create the genetic code once they are paired to create nucleic acids.
A point mutation occurs in a genome when a single base pair is added, deleted or changed.
very rare point mutations in your somatic cells, which are the cells that won't be sperm or eggs, ultimately could lead to symptomatic disease.