When observing an organisms phenotype you can predict the genotype with the dominant and recessive genes present. The genotype is the physical trait. The phenotype is responsible for the trait.
Brainliest?
Answer:
Nucleic Acids
Explanation:
These molecules contain the genetic code, which has all the information necessary to build the body. The basic unit is called a nucleotide, which is composed of a sugar-phosphate backbone attached to one of four nitrogenous bases; cytosine, guanine, adenine or thymine.
The nucleus of the cell is similar to the Neurological system of the body.