A single point mutation in the DNA near the lactase gene changes the cytosine (C) nucleotide to a thymine (T). Individuals with the thymine (T) nucleotide are lactose tolerant and can digest the milk products in adulthood. 
learned from science learn written information since Sep 3, 2009 as said there 
 
        
             
        
        
        
the ice because the albedo value is high
 
        
             
        
        
        
<span>A lunar eclipse occurs when the Earth passes between the Moon and the Sun, and the Earth's shadow obscures the moon or a portion of it. A solar eclipse occurs when the Moon passes between the Earth and the Sun, blocking all or a portion of the Sun. </span>
        
                    
             
        
        
        
Answer:
La importancia de la ADN en la celula es que la ADN contiene las instrucciones para construir las proteinas del ADN. 
Explanation:
La ADN tambien se puede replicar y hacer copias de ella misma en cual esto es importante porque las celulas se dividen y necesitaran una copia del ADN original para poder crear mas celulas.