Which statement is correct about the centre of origin of the plant:
1.  More diversity in an improved variety
2.  Frequency of the dominant gene is more
3.  Climatic conditions more favourable
4.  None

A gene is said to be dominant if:

Two crosses between the same pair of genotypes or phenotypes in which the sources of the gametes are reversed in one cross is known as:

1. Test cross

2. Reciprocal cross

3. Dihybrid cross

4. Reverse cross