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VMariaS [17]
4 years ago
15

Scientists describe our genetic code as universal. With minor exceptions, all species use the genetic code shown here for replic

ation, transcription and translation into proteins. How can scientists say this? What evidence do you see here that support the statement that the genetic code is universal? All BUT ONE could apply.
A) All DNA contains the same four nitrogen vases, A-T, C-G.

B) Combinations of the 20 amino acids combine to make proteins.

C) Proteins are synthesized via transcription and translation at the ribosome.

D) The four nitrogen bases of DNA combine is threes to produce only 20 amino acids.

Biology
1 answer:
valentinak56 [21]4 years ago
7 0

Answer:

<em>The correct option is D) The four nitrogen bases of DNA combine is threes to produce only 20 amino acids.</em>

Explanation:

Our DNA is made up of four nucleotide bases. The genetic codon can produce 20 different amino acids based on the sequence. The genetic code which codes for a certain amino acid remains the same for all types of organisms whether be prokaryotes, animals or plants. Hence, the genetic code is considered universal as the four nitrogen bases combine to form only the 20 different amino acids in all types of organisms alive.

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The Punnet square is a diagram that allows scientists to predict the possible outcomes of the offspring when the genotypes of the parents are known. This is in line with Mendel's principles, and from a theoretical point of view would match up perfectly. However, it all works based on <em>probability</em>.

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