Principles of Inheritance and Variation questions
1199 published questions with worked solutions.
- In gynandromorphs,
- Sex determination in an organism is given by X/A = 1.5, then organism will be
- Barr body in mammals represents
- The Barr body is observed in
- The recessive genes located on X-chromosome in humans are always
- Assertion: In humans, the gamete contributed by the male determines whether the child produced will be male or female. Reason:...
- In the Barr body (sex-chromatin) of a normal female
- Number of autosomes in human are
- Match the following columns. | Column-I | Column-II | |---|---| | (A) XX-XO method of sex determination | (1) Female...
- Heterogametic male condition does not occur in
- If the ratio between X-chromosomes and complete set of autosome is 0.5. Then the individual will be
- Which of the following is not a hereditary disease?
- Monosomic trisomy are represented as
- Phenylketonuria, Huntington's disease and sickle cell anaemia are caused respectively due to disorders associated with
- XO chromosomal abnormality in humans causes
- Albinism is caused by the deficiency of
- Colourblindness is caused due to
- Which one of the following is a genetically transmitted character?
- Trisomy of which chromosome is involved in Down's syndrome?
- The loss of chromosomal segment is due to
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