Question -
Lesch-Nyhan syndrome is caused by the deficiency of the enzyme hypoxanthine-guanine phosphoribosyl transferase (HGPRT). Cells deficient in HGPRT die in a medium containing which of the following?
Options:
A .  Hypoxanthine and thymidine
B .  Thymidine
C .  Aminopterin and thymidine
D .  Hypoxanthine, thymidine and aminopterin (HAT medium)
Answer: Option D Answer: (d).Hypoxanthine, thymidine and aminopterin (HAT medium)
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