Answer:
nucleus
Explanation:
Nucleus are the brain of the cells which control the behaviour, metabolism, and interaction with others.
Answer:
Genes, chromosomes, and nucleus
The pig embryo or fetus are both developmental stages in a pig's life cycle from conception and leading up to birth. The embryo and the fetus should be found in the uterus lining of the female pig, as this is where conception would occur and where the fetus will develop until it is ready to be born.