Homeobox polypeptide segments: A) serve as histones, facilitating DNA packing B) binds to DNA & activate or repress gene transcription C) are vastly different organisms D) acts as enzymes, carrying out imp. chemical reactions..

Dear student

Option B will be correct.
Homeobox polypeptide segments refers to a particular DNA sequence which regulates developmental patterns in various organisms like plant,animals.
Homeobox polypeptide segments act as transcription factor that will bind to and control the activity of other genes.
Thus they will bind to DNA segment and can either activate or repress transcription of particular gene.


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