How is the equal genetic contribution of male and female parents ensured in the progeny?

(N/A) In human beings,every somatic cell of the body contains $23$ pairs of chromosomes.
Out of these $23$ pairs,the first $22$ pairs are known as autosomes and the remaining one pair is known as sex chromosomes,represented as $X$ and $Y$.
Females have two $X$ chromosomes and males have one $X$ and one $Y$ chromosome.
The gametes are formed through the process of meiosis,which reduces the number of chromosomes to half.
Therefore,the male gametes contain $22$ autosomes and either an $X$ or a $Y$ chromosome.
The female gamete,on the other hand,contains $22$ autosomes and an $X$ chromosome.
During fertilization,the male and female gametes fuse to form a zygote.
Thus,the progeny receives $22$ autosomes and one sex chromosome from each parent,ensuring an equal genetic contribution of $23$ pairs of chromosomes in the offspring.