Who is called the father of genetics? 

Concept: Gregor Johann Mendel is known as the Father of Genetics. He first started his hereditary analyses on pea plants in 1856 and finished up by 1863. He began working with seven traits of pea plants - plant level, seed shape and variety, blossom position and variety, and pod shape and variety.
Based on the consequence of his work, the perception was separated into three laws. His three regulations are the law of dominance, the law of segregation, and the law of independent assortment came into existence.

Hence, the correct answer is option A.