Principles of Inheritance and Variation questions
1199 published questions with worked solutions.
- Consider the following four statements I, II, III and IV and select the correct statements: I. Mendelian experiments has a large...
- TtRr represents (heterozygous tall, heterozygous pink). If this plant is self crossed then (T-dominant, t-recessive, R-dominant,...
- Chromosomal mutations occurs due to I. Deletion; II. Duplication; III. Translocation; IV. Inversion. Choose the correct option
- Bateson used the term coupling and repulsion for linkage and crossing over. Choose the correct coupling and repulsion combination.
- A man with normal vision whose father was colourblind marries with women whose father was also colourblind. Suppose their first...
- Mr. Sidd is suffering from hypertrichosis and phenylketonuria. His father is heterozygous for phenylketonuria. The probability of...
- I. Inborn error of metabolism; II. Homozygous recessive autosomal alleles on chromosome 12 causes absence of the specific enzyme;...
- Among the following characters, which one was not considered by Mendel in his experiments on pea?
- Which of the following most appropriately describes hemophilia?
- A tall true breeding garden pea plant is crossed with a dwarf true breeding garden pea plant. When the F1 plants were selfed the...
- A male human is heterozygous for autosomal genes A and B, and is also hemizygous for the haemophilic gene h. What proportion of...
- In a test cross involving F1 dihybrid flies, more parental-type offspring were produced than the recombinant-type offspring. This...
- A colour-blind girl is rare because she will be born only when
- The contrasting pairs of factors in Mendelian crosses are called
- Of a normal couple, half the sons are haemophiliac while half the daughters are carriers. The gene is located on
- A gene showing codominance has
- In human beings, multiple genes are involved in the inheritance of
- Which one from those given below is the period for Mendel's hybridisation experiments?
- A woman with normal vision, but whose father was colour blind, marries a colour blind man. Suppose that the fourth child of this...
- A cross in which an organism showing a dominant phenotype is crossed with the recessive parent in order to know its genotype is...
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