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:
1. | It expresses its effect only in the homozygous stage |
2. | It expresses only in heterozygous condition |
3. | It expresses both in homozygous and heterozygous conditions |
4. | It is never expressed in any condition |
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