Q. In livestock breeding experiments which of the following stage is transferred to surrogate mothers

A) Unfertilized eggs
B) 2 celled embryo
C) Fertilised egg
D) 8 to 32 celled embryo
Explanation

8-32 celled embryo. MOET is program for herd improvement in animal like cattle sheep, rabbits, buffaloes, mare, etc. A cow is administered hormones with FSH-like activity to induce follicular maturation and supper ovulation The cow produces 6-8 eggs instead of one egg produced normally It is now, either mated with an elite bull or artificial insemination is carried out When the fertilized eggs attain 8-32 cells stage, they are non-surgically removed and transferred to a surrogate mother The genetic mother can now be again super-ovulated

Dr. Abubacker
Reviewed by Dr. Abubacker

Physics Educator & NEET/JEE Specialist

Ph.D. in Physics with 19+ years of teaching experience.