Question

The functional segment of DNA are gene ? give reason.

Answer 1

Answer:

A functional and inheritable element in the genome is referred to as a gene and usually codes for a protein. ... The promoter is an important functional segment of the gene. This is where the RNA polymerase binds to initiate transcription, i.e. the synthesis of an RNA molecule which is a copy of the DNA sequence

Answer 2

Genes are the functional segments of DNA.

The are the smallest units of DNA which are capable of performing independent function. The main function of DNA at molecular level is production of mRNA (messenger RNA) which ultimatly form Proteins. Genea are the functional units of DNA as they are capable of producing mRNA. 

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