Early geneticists wondered how only four nucleotides could specify the sequence of 20 amino acids in proteins. Today we know that there is a genetic code in which <u>3</u> nucleotide(s) code(s) for each amino acid.
Explanation:
64 or 43 is the number of possible 3-letter codes which is more than the number of amino acids. Hence, the code can thus be redundant. It has been seen that there is more than one codon that codes for the same amino acid in some cases, .
Hence, Early geneticists wondered how only four nucleotides could specify the sequence of 20 amino acids in proteins. Today we know that there is a genetic code in which <u>3</u> nucleotide(s) code(s) for each amino acid.
ATP fuels the primary active transport pump for Sodium and Potassium. The pump maintains a positive voltage on the exterior of the cell and negative on the interior.
The child only comes out as homozygous dominant (YY) for the trait in 1/4 boxes in the Punnett Square. This translates to the child having a 25% chance of being homozygous dominant for the trait.
