How is animal DNA differnt from human DNA?

Answer 1

Humans and other animals all have the same base pairs (A, T, G, C) that compose DNA. The sequence of DNA and amount of genetic material differs between species, but other than that, the DNA is generally the same. The universal characteristic of DNA even among plants gives rise to the concept of an ancestor common to all life.

Answer 2

Actually, DNA is the same for all living organisms it has the same genetic code! The only difference between a tree and me is the order in which it is assembled. Think of it as an alphabet. The four nucleotides adenine, guanine, cytosine, and thymine are the four symbols that are like the letters. The order in which you place the nucleotides determines the genetic information which results in what organism it will be and how it will function. So, the answer to your question would be the order of nucleotides. (But you could always be more specific if you wanted to.)

Answer 3

Initial posts indicates that "human DNA is off by one percent to that of a dolphins"

However, a citation is needed.

According to Dr. David Busbee at Texas A&M, "...the dolphin genome and the human genome basically are the same. It's just that there's a few chromosomal rearrangements that have changed the way the genetic material is put together."

Dolphin's have 44 chromosomes to our 46, but this is not necessarily a good measure due to the rearrangements mentioned.

Answer 4

As much as people wish to believe otherwise, not much.

DNA is universally (in every plant animal human bacteria etc) a code of Adenine Cytosine Guanine and Thymine. These 4 (A, C, G and T) nucleotides (a form of molecule) , are read by cellular machinary to first form a backup copy RNA, which is then read in sets of 3 and translated to amino acids (much more complex molecules). eg GCG = alanine. These strings of amino acids are building blocks for protiens. These proteins are what go on to make life. (see wikipedia protiens)

Differences occur between prokaryotes (organisms without a nucleus) and eukaryotes (organisms with nucleus) with regards to the processing of DNA (to RNA or not to RNA etc) but the code itself is still the same. Some specific species also have exceptions to the "code" of what 3 letters equal what but again these are exceptions.

So essentially there is no genetic difference between human and animal DNA except for what it codes for, and of course the amount of DNA - genome sizes vary greatly organism to organism.

~3rd year Bachelor of Science student, majoring in genetics.

Answer 5

DNA is exactly the same in every species it is found in. It always has a sugar-phosphate backbone and the same four bases - A, T, G and C. The only thing that changes is the number of genes found in the DNA (and the sequence of the bases).

Answer 6

First, humans are animals. We are not some separate creature. We are part of the animal kingdom.

Second, there is no difference in DNA. DNA is DNA. You find the same four bases (ATGC) in humans, bonobos, pigeons, mice, tuna, tiger sharks, bacteria, protozoa, ... and the list goes on.

The bases are the same, but they are arranged in different sequences. So the base sequence is different in mice and humans, but the same four bases are used. Also, the sequence is different between you and me, but again the same four bases are used.

We are all related. We all share the same four DNA bases. Welcome to the living world, which we are part of, not separate from.