Principles of Inheritance and Variation questions
1199 published questions with worked solutions.
- Which of the following statements are false? I. Specific mutations are acquired because they are needed; II. Recessive alleles...
- Mendel's contribution for genetic inheritance was
- Which of the following statements are false? I. A Dominant allele determines the phenotype when paired with a recessive allele;...
- Percentage of recessive phenotype in a cross between Pp and pp, when P is dominant, p recessive
- Human skin colour is the example of I. multiple gene inheritance; II. three separate genes controlling this trait; III. single...
- Linked gene pair cross over values (COV): T and U = 25; T and V = 5; V and U = 30; U and W = 10; V and W = 20. Find out their...
- The leaf colour of certain plants is controlled by one gene. For that gene, the allele G = orange and g = green. You have a plant...
- I. 100% parental combinations are found in F2-generation; II. F2 phenotypic ratio is 3:1 in dihybrid cross; III. Dihybrid test...
- Mendel could not find out linkage because I. some genes are linked but they are too far apart for crossing over to be...
- In a gene pool, along with beneficial mutations those mutations also exists which are damaging to an individual. It has been...
- Find out the percentage of dominant phenotype in cross between Pp and Pp. P-dominant, p-recessive
- Mendel's law was explained by
- In which cross will you get most pink flowers?
- In *Drosophila*, the allele for a normal grey body colour G is dominant to ebony body g. The following table summarises the...
- Match the following columns. | Column I | Column II | |---|---| | (A) ABO blood groups | (1) Base pairs substitution | | (B) Law...
- Match the following columns. | Column I | Column II | |---|---| | (A) Gregor Mendel | (1) Chromosomal theory of inheritance | |...
- Observe the sex determination in the following columns. | Column I | Column II | |---|---| | (A) Male heterogamety | (1) Human XY...
- Genotypic and phenotypic ratios remains the same in
- Consider the following statement regarding ABO blood group in human: I. It is controlled by multiple allele; II. It shows...
- Match the following columns. | Column I | Column II | |---|---| | (A) Fruitfly | (p) 2n = 6+XY | | (B) Fowl | (q) 2n = 14+XX | |...
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