Lymphocyte culture medium

Karyotype analysis is an important♠<×↔ means of genetic examination. It i★'s mainly used for peripheral ®♦¥±blood culture and chromosome analy☆δ"sis.
It is an important exp"©''erimental basis to check the karyoty♠"∏pe of patients suspected♥β↑ of chromosomal abnormalities and those  ↓•‌with family history of rela'←≈<ted abnormalities. Chromosomal abnormal₽♦<ity is one of the important reaso'♣£ns for mental retardation, poor pregn≤​§ancy and childbirth history,♥∏ primary amenorrhea, male inferφδ¶∞tility and so on. Chromosome karε←¶&yotype examination provides the ba≈♦×sis for clinical diagnosis and prenata®♣£l diagnosis.