The role of DNA and chromosomes in coding the instructions of traits passed from parent to offspring - as follows
Genes are regions in the DNA that contain the instructions that code for the formation of proteins.
Each chromosome consists of a single, very long DNA molecule, and each gene on the chromosome is a particular segment of that DNA.
- The instructions for forming species' characteristics are carried in the DNA
- Hereditary information is contained in the nucleotide sequence of DNA in a kind of code.
- The coded information is copied faithfully into RNA and translated into chains of amino acids.
- Amino acid chains are folded into helices, zigzags, and other shapes and are sometimes associated with other amino acid chains.
Thus, Genes are regions in the DNA that contain the instructions that code for the formation of proteins.
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