P Pineapple E Guest Feb 26, 2009 #1 If DNA is composed of only three types of chemicals, why are living things so different from each other?
If DNA is composed of only three types of chemicals, why are living things so different from each other?
S Sassafras and Mustard Guest Feb 26, 2009 #2 Because there are millions of combinations and orders of combinations along the DNA strand.
P peter s Guest Feb 26, 2009 #3 The 4 bases in DNA (Adenine,Guanine,Thymine & Cytosine) allow for endless sequences and it is the different sequences (genes) which code for endless proteins, producing endless variation in the animal and plant kingdoms.
The 4 bases in DNA (Adenine,Guanine,Thymine & Cytosine) allow for endless sequences and it is the different sequences (genes) which code for endless proteins, producing endless variation in the animal and plant kingdoms.
