The gene for the enzyme phenyl alanine hydroxylase is located on this chromosome
(A) 12th
(B) 13th
(C) 11th
(D) 9th

Extra 18th autosomal chromosomes results in

Jumping genses form 9th and 22nd chromosomes are involved in causing

The 12th term in the expansion of e^(-3) is

If in the expansion of (1+x)^n the coefficients of 14th, 15th and 16th terms are in A.P. then n= (A) 12 (B) 23 (C) 27 (D) 34

Which of the following vertebra is amphicoelous type in frog? (a) 3rd (b) 9th (c) 8th (d) 10th

If the 9th term of an AP is zero, then prove that its 29th term is twice its 19th term.

At 14 th or 15th week of pregnancy the location of foetus and placenta is determined by

If the 2nd term of an AP is 13 and 5th term is 25, what is its 7th term ?

If the 2nd term of an AP is 13 and 5th term is 25, what is its 7th term ?

Which term in the expansion of (2-3x)^(19) has algebrically the last coefficients ? a. 10^(th) b. 11^(th) c. 12^(th) d. 13^(th)