Why do sex linked traits follow different patterns of inheritance that other traits?

Because the chromosome linked with sex are XX for women and XY for men. So the boy can only get Y from his father and X from his mother. While girl can get one from the only X of her father and the other from her mother.

Because the earth is not round ,but it may seem round when viewed from ,our planet but true some points earth is not round was an oblate spheroid -a square that it squashed as globe however is not even a perfect oblate spheroid.in fact isaac newton's first proposed that earth was not perfectly round but it was an oblate spheroid instead.that mean a square that is squashed as its poles and swollen at the