At what stage in the life history of a mammal is the sex of an individual set? By: Sunday|Published on: Sep 8|Categories: Biology JAMB| 0 comments A. at adolescence B. at puberty C. at birth D. at conception Correct Answer: Option D – at conception Users Also Read These:Blood circulation in a mammal is said to be double because?The stage in a product life circle where advertising…one of the differences between a contract of life…The purpose of proteins in the diet of a mammal is to?One distinctive feature in the life history of…SEE ALSO The vector of the malarial parasite is the?