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A normal woman, whose father was colour-blind is married to a normal man. The sons would be:
Select the correct statements about sickle cell anemia: A: There is a change in the gene for beta-globin B: In beta-globin, there is a valine in place of Lysine C: It is an example of point mutation D: In the normal gene, U is replaced by A Choose the correct answer from the options given below:
Match List-I with List-II: List-I (Type of cross) (A) Monohybrid cross (B) Dihybrid cross (C) Incomplete dominance (D) Test cross List-II (Phenotypic ratio) (I) 1:1 (II) 1:2:1 (III) 3:1 (IV) 9:3:3:1
Match List-I with List-II.
Which of the following characteristics represent the 'Inheritance of blood groups' in humans?
Broad palm with single palm crease is visible in a person suffering from-
In a test cross involving F1 dihybrid flies, more parental-type offspring were produced than the recombinant type offspring. This indicates:
Which of the following pairs is wrongly matched?
Assuming that fur colour of an animal ranges from dark, intermediates shades, to white. A cross is made between a male (AABBCC) with dark fur colour and a female (aabbcc) with white fur colour. What would be the fur colour of F1 generation?
In a plant, black seed color (BB/Bb) is dominant over white seed color (bb). In order to find out the genotype of black seed plant, with which of the following genotype will you cross it?
A cross in which an organism showing a dominant phenotype is crossed with the recessive parent in order to know its genotype is called:
Which of the following is not a hereditary disease:
Which of the following most appropriately describes haemophilia?
A pink flowered Snapdragon plant was crossed with red flowered Snapdragon plant. What type of phenotype/s is/are expected in the progeny?
Which one of the following traits of garden peas studied by Mendel was a recessive feature?
Which of the following is NOT an autosomal recessive disorder?
A true statement for Ulothrix:
What change occurs by changing one base in DNA?
The genotype of a plant showing the dominant phenotype can be determined by:
Bilaterally symmetrical and acoelomate animals are exemplified by