A.Complementary and supplementary genes
B.Lethal genes and incomplete dominance
C.Modifier genes
D.All of these
Related Mcqs:
- Instead of usual mendelian ratio of 9:3:3:1 often ratio of 9:7 is obtained in some of the crosses which is possibly due to interaction of:
- When two pea plants with white flowers were crossed, F1 hybrids produced purple colour unlike their parents but like their remote ancestors, this is an example of:
- Examples of non-allelic gene interaction are:
- Allelic gene interaction is exhibited by which of these:
- Genes that reduce the viability of individual or cause its death of bearer are called:
- Ratio of 9:3:4 is obtained instead of 9:3:3:1 under the condition when there is gene interaction involving:
- Sickle-cell anaemia is a case of:
- When red and white cattles are crossed, they produce a roan offspring which has both red and white hairs on skin, it is called:
- ______ ion effect represents the effect of adsorbed ion on the release of another from the surface of a colloid:
- Mutations among members of a species arise due to:
