Principles of Inheritance and Variation questions
1199 published questions with worked solutions.
- The idea of mutations was brought forth by
- The change of the lighter-coloured variety of peppered moth (*Biston betularia*) to its darker variety (*Biston carbonaria*) is...
- Which is the most common mechanism of genetic variation in the population of a sexually reproducing organism?
- Variations during mutations or meiotic recombination are
- The males of honey bee are produced by
- Natural parthenogenesis is found in
- In our society women are blamed for producing female children. Choose the correct answer for the sex-determination in humans.
- Identify the sex of baby A, B, C, D from the given cross: Father (44+XY) × Mother (44+XX); gametes 22+X and 22+Y (father) × 22+X...
- Statement 1: In humans, the gamete contributed by the male determines whether the child produced will be male or female....
- The sex of the foetus will be decided at
- Arrhenotoky is also called
- Which of the following disorders is not hereditary?
- A person with sickle cell anaemia is
- Hereditary variations can be got with the help of:
- Haploid plants are preferred over diploid plants for study of mutation because in haploids:
- In mutation breeding, mutations are induced by using radiation like:
- ...... is a phenomenon by which genetic variations is achieved through changes in the base sequences in genes, which creates a...
- In mutation breeding, mutations are induced by using chemicals like:
- Rate of mutations is induced by means of certain agents called:
- A true breeding plant is:
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