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

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)

Extra 18th autosomal chromosomes results in

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

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

The fourth term of an A.P is zero. Prove that the 25th term is triple its 11th term

Find the A.P. whose 6th term =5 and 10th term=9

The 5th term of an A.P. is 11 and the 9th term is 7. Find the 16th term.

July 11th is observed as

Which of these phases of the menstrual cycle is correctly is correctly matched with its period? (i) Menstrual phase : 1^(st) - 4^(th) day (ii) Proliferative phase: 5^(th)_13^(th) day (iii) Ovulatory phase: 14^(th) day (iv) Luteal phase: 15^(th)-28^(th) Day

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