Comparisons of protein similarity between species can reveal the degree of genetic kinship because
A) the number of protein variations is limited.
B) specific amino acids are dictated by known nucleotide sequences in DNA.
C) gel electrophoresis converts proteins to nucleotides.
D) protein can be hybridized with DNA.
E) DNA is made by directions stored in proteins.

Question

Quizplus · Accepted Answer

The sequence of amino acids in a protein is determined by the nucleotide sequence in DNA, allowing comparisons of protein similarity to reflect genetic kinship.

Comparisons of Protein Similarity Between Species Can Reveal the Degree