Answer:
1) To form a multicellular organism, a zygote must divide into 16 cells which produces ball structure called a morula. After that, morula is converted into a structure called blastula.
2) Adult stem cells are responsible for the maintenance of tissues and repair the damage tissues in the body. It is also called somatic stem tissue. It increase in number through cell division.
Answer:
D)
Explanation:
Because the independent variable stays the same for all the people in the experiment
Answer:
They can have children together. If they are married or in a relationship they can do anything they want together including the want of children.
Explanation:
Answer: Recombinant DNA technology
Explanation:
