The best $HLA$ (human leucocyte antigen) match for transplant in order of preference is
Parent > sibling > twin > unrelated donor
Sibling > twin > parent > unrelated donor
Twin > sibling > parent > unrelated donor
Twin > unrelated donor > parent > sibling
Terramycin is obtained from
Crown gall disease in plants is caused by
Automated $DNA$ sequencers, work on the principle of the method developed by
Which of the following discoveries resulted in a Nobel Prize
Most of the micro-organisms which produce antibiotics live in the soil because