Respuesta :
Answer:
The top two.
Explanation:
I hope that helps
The biological father determines the sex of a child.
What is biological father?
Biological father is the male person in which his child carries his DNA.
What is determines?
Determines means to fix conclusively.
What is sex?
Sex is referred to as gender.
Father has X and Y chromosomes while Mother has both X chromosomes.
So depending on the chromosome of father that fuses with egg, sex is determined.
Hence the option (4) is correct.
To learn more about biological father and sex here
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