Answer:
An atom is the smallest component of an element that still has the properties of that element.
Atoms are made of three particles. protons, neutrons, and electrons.
Explanation:
Mendel observed that a heterozygote offspring can show the same phenotype as the parent homozygote, so he concluded that there were some traits that dominated over other inherited traits. However, the relationship of genotype to phenotype is rarely as simple as the dominant and recessive patterns described by Mendel.