Question

q19 gregor mendel is known, because he discovered the pea plant. he discovered the pattern of heredity. found the code of dna he discovered the female and male parts of the pea flower.

Explanation:

Gregor Mendel conducted experiments on pea - plants and discovered the fundamental laws of inheritance, which are the patterns of heredity. He did not discover the pea - plant itself, nor did he find the code of DNA (that was later work by Watson, Crick, Franklin etc.). While he worked with pea - flowers, his main contribution was not about discovering their male and female parts but about heredity patterns.

Answer:

B. he discovered the pattern of heredity.