Transgenic animals are produced for the following reasons:
- To study genetic diseases and understand gene functions: Transgenic animals are used as model organisms to study the role of specific genes and genetic diseases.
- To produce pharmaceutical proteins: Transgenic animals help in the production of therapeutic proteins like insulin or clotting factors.
- To enhance agricultural products: They are used to improve the nutritional value of milk, meat, or other animal-derived products.
মিলার ও উরের পরীক্ষায় উৎপন্ন দুটি অ্যামাইনো অ্যাসিডের উদাহরণ দাও।

In an economy, exclusion of _______ may lead to under estimation of the value of Gross Domestic Product (GDP).
