For Many Centuries, Women Were Blamed If They Failed to Produce

For many centuries, women were blamed if they failed to produce male offspring.Why was this unfair?

A) Neither the father's nor the mother's contribution is the determining factor for the sex of the offspring.
B) It is the father's contribution that determines the sex of the offspring.
C) Both the father's and the mother's contributions vary and randomly combine to determine the sex.
D) The phenomenon known as codominance applies to the determination of sex of the offspring.