1. Supplementary genes
2. Complementary genes
3. Epistatic genes
4. Inhibitory genes
Complementary genes
1. 0
2. 1/2
3. 1/4
4. 1/8
1/2
1. Two genes from different chromosomes but producing a single character
2. Genes which are present but not expressed
3. Genes when homozygous cause early death
4. Sudden appearance of ancestral trait
Genes when homozygous cause early death
1. Back cross
2. Monohybrid
3. Dihybrid
4. Trihybrid
Monohybrid
1. 1:2
2. 1:2:1
3. 9:3:1
4. 3:1
3:1
1. All round yellow
2. 1 round yellow,3 round green,3 wrinkled green
3. 1 round yellow,1 round green,1 wrinkled green
4. Data insufficient
Data insufficient
1. It is an old theory
2. Lamarck did not give experimental proof
3. Darwin opposed it
4. No concrete proof is available by which the germplasm could be altered
No concrete proof is available by which the germplasm could be altered
1. Duplicate genes
2. Supplementary genes
3. Dominant epistasis
4. Recessive epistasis
Duplicate genes
1. 2
2. 4
3. 8
4. 16
8
1. He selected pea as working material
2. He planned his experiments meticulously
3. He counted number of individuals arising in each generation
4. He performed extremely large number of crosses
He performed extremely large number of crosses