Zoology Principles of Inheritance and Variation questions from NEET UG 2005.
Which of the following is not a hereditary disease?
A man and a woman, who do not show any apparent signs of a certain inherited disease, have seven children (2 daughters and 5 sons). Three of the sons suffer from the given disease but none of the daughters affected. Which of the following mode of inheritance do you suggest for this disease?
A woman with normal vision, but whose father was colour blind, marries a colour blind man. Suppose that the fourth child of this couple was a boy. This boy:
Genes for cytoplasmic male sterility in plants are generally located in:
In order to find out the different types of gametes produced by a pea plant having the genotype $\mathrm{AaBb}$ it should be crossed to a plant with the genotype:
A women with 47 chromosomes due to three copies of chromosome 21 is characterized by:
De Vries gave his mutation theory on organic evolution while working on:
Haemophilia is more commonly seen in human males than in human females because: