Answer:
The one who determines the gender of a new baby is the father, since he is the carrier of the X and Y sex chromosomes.
Step-by-step explanation:
The sex chromosomes X and Y are called sex determinants, since the sex of the offspring depends on them:
- XX corresponds to the female sex.
- XY corresponds to the male sex.
A mother can only provide her offspring with X chromosomes, while the father can provide both X and Y chromosomes, so he is the one who determines the sex of a new child. In this case, the possibility of having a male or female child will always be 50:50