The diagram below shows a portion of DNA. The nucleobases adenine, thymine, cytosine, and guanine are matched together in base pairs, and the order of these base pairs makes a genetic code. Which describes the genetic code in a human? Different genetic codes appear in each different type of cell. Every human has the same exact genetic code. Genetic codes change frequently in reaction to external factors. A genetic code determines the physical traits of the body.

A genetic code determines the physical traits of the body is the statement which describes the genetic code in a human.

Explanation:

A genetic code is a “set of rules” which aids in encoding the genetic information encoded as DNA or RNA sequences in the genetic material and translating it into respective proteins through amino acid sequencing by the living cells. This transfer of information takes place through transcription and translation.  

The encoding takes place by reading the nucleotide sequence present as codons on the mRNA. Each of This nucleotide basically is constructed with a deoxyribose sugar and phosphate molecule along with four nitrogenous bases – adenine, guanine, cytosine and thymine and occur as base pairs in a nucleotide.

Based on these nucleotide base pairing, the genetic code varies from person to person and defines individual genetic code for humans.

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