What is most likely the cause of the differences in birds in the picture

What should be the strand of complementary dna produced by the strand of dna shown below cgt ata

You have just sequenced a new protein found in mice and observe that sulfur-containing cysteine residues occur at regular intervals. what is the significance of this finding? it will be important to include cysteine in the diet of the mice. cysteine residues are required for the formation of α helices and β pleated sheets. cysteine residues are involved in disulfide bridges that form tertiary structure. cysteine causes bends, or angles, to occur in the tertiary structure of proteins.

Strands of genetic material floating in the nucleus are referred to as