A.Random distribution of homologous genes in meiosis
B.Phenomenon of crossing over
C.Random union of gametes in fertilization
D.All of these
Related Mcqs:
- A new species is formed when:
- Segregation of alleles occurs at the time of:
- In time study sone variations almost always occur from reading to reading for any element, even if the worker is not attempting to vary his pace. This variation is not caused by the following factors, among others
- One cannot induce a specific gene to mutate as:
- Examples of non-allelic gene interaction are:
- Which of the following statement about alternation of generation in bryophytes is incorrect??
- Ratio of 9:3:4 is obtained instead of 9:3:3:1 under the condition when there is gene interaction involving:
- Allelic gene interaction is exhibited by which of these:
- Continuous variations are small variations from one extreme to the other which are always found amongst members on a same species like variations in shape, colour size, weight etc. These were considered heritable and ‘raw materials’ for evolution by:
- An instrument which is used for measuring temperature variations by change in a metallic resistance is called a
