The correct option is D Owen
Herbert Edward Durham and Max von Gruber discovered specific agglutination in 1896. The clumping reaction was named as Gruber-Durham reaction.
Balfour contributed to evolutionary embryology by uncovering ancestral relationships between groups through his comparative embryological approach.
Sutton and Boveri together gave the chromosomal theory of inheritance.
Owen coined the term parthenogenesis in 1849. Parthenogenesis is the process of development of an offspring from an egg or ovum without fertilisation.
(D) Owen