Question

ovum and sperm are both female and male gamete respectively but what is so intricate in spermwhich makes it solely responsible for determining the sex of the child justify?

Answer 1

male parent is always responsible for determine sex of a child because female parent has XX chromosome while male has XY so during zygote formation female will always give X chromosome that is responsible for girl child but in can of male it can be either X or either Y of if it is X from male then baby is girl otherwise boy