Answer:
Because the element carbon forms the backbone of the molecules that make up cells, one of the most important biogeochemical cycles to life on Earth is the carbon cycle. ... Carbon moves from living things back to the environment as all types of organisms use some of their food molecules as a source of energy.
Explanation:
 
        
             
        
        
        
<span>the answer is John Innes Centre</span>
        
             
        
        
        
Answer:
B. DR, Dr, Rd, dr
Explanation:
This question involves two genes. Alleles D and R are dominant over alleles d and r. These two genes obey the law of independent assortment as proposed by Gregor Mendel. 
Based on the question, a genotype RrDd will produce the following combination of gametes following the process of meiosis:
DR, Dr, dR, dr
 
        
             
        
        
        
Answer:
A) producing a litter of puppies by mating two dogs of different breeds
Explanation: