The embryo inherits half its chromosomes from its mother. The embryo receives its food from its mother through the placenta. The embryo receives oxygen through the placenta. The embryo receives mutations carried by its mother.
I am hesitating between 4 options to answer the following question, which option should I choose?
Question: Which statement explains why a mother's unhealthy diet during pregnancy is harmful to her embryo's development?
Possibilities:
- The embryo inherits half its chromosomes from its mother.
- The embryo receives its food from its mother through the placenta.
- The embryo receives oxygen through the placenta.
- The embryo receives mutations carried by its mother.

The embryo receives its food from its mother through the placenta.