The cells of living organisms store genetic information in the form of DNA, which can be transcribed into RNA. RNA can then be translated to form protein products. The genetic code that determines the sequence of DNA nucleotides that results in specific protein products is the same for all organisms on Earth. Which of the following does this provide evidence for?

A.

All species have identical phenotypes.

B.

All species have the same number of chromosomes.

C.

All species have existed for the same amount of time.

D.

All species share a common ancestor.

Question

Adrianna Cain

Biology

30 January, 12:13

The cells of living organisms store genetic information in the form of DNA, which can be transcribed into RNA. RNA can then be translated to form protein products. The genetic code that determines the sequence of DNA nucleotides that results in specific protein products is the same for all organisms on Earth. Which of the following does this provide evidence for?

A.

All species have identical phenotypes.

B.

All species have the same number of chromosomes.

C.

All species have existed for the same amount of time.

D.

All species share a common ancestor.

+2

Answers (1)

Know the Answer?

Howard Reese · Answer 1

Answer: D. All species share a common ancestor.

Explanation:

The genetic code is the same for all organisms and is passed on from generation to generation. So, the genetic code provides evidence that all species share a common ancestor.