Principles of Inheritance and Variation questions
1199 published questions with worked solutions.
- In a plant, black seed color (BB/Bb) is dominant over white seed color (bb). In order to find out the genotype of the black seed...
- Which one of the following can be explained on the basis of Mendel's Law of Dominance? A. Out of one pair of factors one is...
- A pink flowered Snapdragon plant was crossed with a red flowered Snapdragon plant. What type of phenotype/s is/are expected in...
- Match List I with List II : List I: (A) Down's syndrome (B) -Thalassemia (C) -Thalassemia (D) Klinefelter's syndrome List II: (I)...
- How many true breeding pea plant varieties did Mendel select as pairs, which were similar except in one character with...
- Experimental verification of the chromosomal theory of inheritance was done by :
- XO type of sex determination can be found in :
- Given below are two statements : Statement I : Mendel studied seven pairs of contrasting traits in pea plants and proposed the...
- Which of the following occurs due to the presence of autosome linked dominant trait ?
- Given below are two statements : one is labelled as Assertion (A) and the other is labelled as Reason (R). Assertion (A) :...
- The recombination frequency between the genes a & c is 5%, b & c is 15%, b & d is 9%, a & b is 20%, c & d is 24% and a & d is...
- If a colour blind female marries a man whose mother was also colour blind, what are the chances of her progeny having colour...
- Frequency of recombination between gene pairs on same chromosome as a measure of the distance between genes to map their position...
- The phenomenon of pleiotropism refers to :
- Which of the following statements are correct about Klinefelter's Syndrome? A. This disorder was first described by Langdon Down...
- Broad palm with single palm crease is visible in a person suffering from :
- Mutations in plant cells can be induced by :
- In a cross between a male and female, both heterozygous for sickle cell anaemia gene, what percentage of the progeny will be...
- A man and a woman, who do not show any apparent signs of a certain inherited disease, have seven children (2 daughters and 5...
- A woman with normal vision, but whose father was colour blind, marries a colourblind man. Suppose that the fourth child of this...
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