answersLogoWhite

0


Best Answer

Prior to understanding the details of transcription and translation, geneticists predicted that DNA could encode amino acids only if a code of at least three nucleotides was used. The logic is that the nucleotide code must be able to specify the placement of 20 amino acids. Since there are only four nucleotides, a code of single nucleotides would only represent four amino acids, such that A, C, G and U could be translated to encode amino acids. A doublet code could code for 16 amino acids (4 x 4). A triplet code could make a genetic code for 64 different combinations (4 X 4 X 4) genetic code and provide plenty of information in the DNA molecule to specify the placement of all 20 amino acids. When experiments were performed to crack the genetic code it was found to be a code that was triplet. These three letter codes of nucleotides (AUG, AAA, etc.) are called codons.

The genetic code only needed to be cracked once because it is universal (with some rare exceptions). That means all organisms use the same codons to specify the placement of each of the 20 amino acids in protein formation. A codon table can therefore be constructed and any coding region of nucleotides read to determine the amino acid sequence of the protein encoded. A look at the genetic code in the codon table below reveals that the code is redundant meaning many of the amino acids can be coded by four or six possible codons. The amino acid sequence of proteins from all types of organisms is usually determined by sequencing the gene that encodes the protein and then reading the genetic code from the DNA sequence.

User Avatar

Matt Mills

Lvl 4
โˆ™ 2y ago
This answer is:
User Avatar
More answers
User Avatar

Wiki User

โˆ™ 9y ago

The triplet code of DNA is made up of three bases. This code provides instructions to the ribosomes to code for one amino acid. These amino acids are then combined to form a polypeptide.

This answer is:
User Avatar

User Avatar

Wiki User

โˆ™ 12y ago

3 nucleotides called a codon specify one amino acid.

This answer is:
User Avatar

User Avatar

Wiki User

โˆ™ 10y ago

The normal version of the genetic code in which a sequence of three nucleotides codes for the synthesis of a specific amino acid.

This answer is:
User Avatar

User Avatar

Wiki User

โˆ™ 14y ago

A triplet of bases (called a codon) codes for one amino acid. Many codons code for a polypeptide.

This answer is:
User Avatar

User Avatar

Wiki User

โˆ™ 14y ago

Yes, three bases encode each amino acid.

This answer is:
User Avatar

Add your answer:

Earn +20 pts
Q: What does it mean to say that the genetic code is triplet?
Write your answer...
Submit
Still have questions?
magnify glass
imp
Related questions

What is One unit of genetic information is called?

Some would say the gene but in reality it is the codon or triplet. This is the set of three genetic "letters" that specifies an amino acid or an instruction to the ribosome.


What does cรณdigo mean in Spanish?

'digo' = I say (from 'decir' - to say)


What is the major unit of the genetic code?

From time immemorial, every living thing has shared the same basic set of building blocks -- 20 amino acids from which all proteins are made. That is, until now: A group of scientists say they have, for the first time, created an organism that can produce a 21st amino acid and incorporate it into proteins completely on its own. The research should help probe some of the central questions of evolutionary theory.


What do women mean when they say you are funny?

They mean exactly what they say: you are funny. It isn't a code or a different language.


In Morris Code what does the IMI mean?

"say again"


Is winking genetic?

no because i say its not


Where can you buy a script?

When you say script, what do you mean exactly? If you mean php or code script, you should search on seoclerk.com


Is a race cultural or genetic?

I would say it is cultural.


Is AML hereditary?

Most article say that genetic factors effect AML risk, and they don't say inherited. Genetic factors may be your own or not be inherited at all.


What does Morse code mean in musical terms?

morse code has nothing to do with music but if u were to say it . would be short note and - would be long note


What did the witches say in The Shakespeare Code episode of Doctor Who?

They said a lot of stuff - it depends which part you mean.


What is a good code for World of Warcraft on roblox?

If you mean so you can say it without a block just say WoW or W0r1d 0f War(raft