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(b) formation of sperm
(d) menstruation
(c) Cracking of voice
(d) continue the species generation after generation
(b) genetic material comes from two parents of the same species
In human males, the testes lie in the scrotum, because it helps in the
(b) formation of sperm
(b) formation of sperm
See lessIn human females, an event that reflects onset of reproductive phase is
(d) menstruation
(d) menstruation
See lessDuring adolescence, several changes occur in the human body. Mark one change associated with sexual maturation in boys.
(c) Cracking of voice
(c) Cracking of voice
See lessReproduction is essential for living organisms in order to
(d) continue the species generation after generation
(d) continue the species generation after generation
See lessOffspring formed as a result of sexual reproduction exhibit more variations because
(b) genetic material comes from two parents of the same species
(b) genetic material comes from two parents of the same species
See less