The point mutation sequence for transition, transition, transversion and transversion in DNA are ______.

(a)

A to T, T to A, C to G and G to C

(b)

A to G, C to T, C to G and T to A

(c)

C to G, A to G, T to A and G to A

(d)

G to C, A to T, T to A and C to G

If haploid number in a cell is 18. The double monosomic and trisomic number will be _____.

(a)

35 and 37

(b)

34 and 37

(c)

37 and 35

(d)

17 and 19

Changing the codon AGC to AGA represents _______.

(a)

missense mutation

(b)

nonsense mutation

(c)

frameshift mutation

(d)

deletion mutation

Assertion (A): Gamma rays are generally use to induce mutation in wheat varieties.
Reason (R): Because they carry lower energy to non-ionize electrons from atom

(a)

A and R are correct

(b)

A is correct. R is wrong

(c)

A is wrong. R is correct

(d)

A and R are wrong

How many map units separate two alleles A and B if the recombination frequency is 0.09?

(a)

900 cM

(b)

90 cM

(c)

9 cM

(d)

0.9 cM