Answer: Deoxyribonucleic acid.
Explanation: DNA stands for deoxyribonucleic acid.
The serologist would perform a precipitin test. Hope this helps.
I think the answer is DNA
Answer:
1. Egg fertilized to form a zygote
2. Cell division in the zygote to form a morula
3. Cell division to form a blastocyst
4. Differentiation of cells in the blastocyst
5. Development of tissues
6. Development of organs
Explanation: