Fill in the blanks.
a. In humans, sperm production occurs in the organ ----------------.
b. In humans, ------ chromosome is responsible for maleness.
c. In male and female reproductive system of human, ------------- gland is same.
d. Implantation of the embryo occurs in ------
e. ---------- type of reproduction occurs without fusion of gametes.
f. The body breaks up into several fragments and each fragment starts to live as a new individual. This is -- -- -- -- -- -- -- type of reproduction.
g. Pollen grains are formed by -- ----- -- -- -- division in locules of anthers.
