1. Environmental changes and sexuakdimorphism
2. Genotype and environment interactions
3. Mutations and linkages
4. Cytoplasmic effects and nutrition
Genotype and environment interactions
1. Pod shape in garden pea
2. Skin colour in humans
3. Flower colour in Mirabilis jalapa
4. Production of male honey bee
1. Only wrinkled seeds with green cotyledons
2. Round seeds with yellow cotyledons, and wrinkled seeds with yellow cotyledons
3. Only wrinkled seeds with yellow cotyledons
4. Only round seeds with green cotyledons.
Round seeds with yellow cotyledons, and wrinkled seeds with yellow cotyledons
1. Segregation in the expected 9: 3: 3: 1 ratio
2. Segregation in 3: l ratio.
3. Higher number of the parental types.
4. Higher number of the recombinant types
Segregation in 3: l ratio.
1. crossing of one F2 progeny with female parent
2. studying the sexual behaviour of F1 progenies
3. crossing of one F1 progeny with male parent
4. crossing of one F2 progeny with male parent.
studying the sexual behaviour of F1 progenies
1. point mutation
2. polygenic inheritance
3. codominance
4. chromosomal aberration
polygenic inheritance
1. AaBB
2. AABb
3. AABB
4. AaBb
AaBb
1. 9: 1
2. 1 2 3
3. 3: 1
4. 50: 50
50: 50
1. Black 10, white 10
2. Black 10, white 20
3. Black 20, white 10
4. Black 20, white 20
Black 10, white 10
1. Half
2. One third
3. Less than 5%
4. None of the above
Less than 5\%