The phenotype of one parent for skin colour is and other parent is . What will be the skin colour and genotype for their progeny?
Important Questions on Principles of Inheritance and Variation
In the following passage there are blanks, each of which has been numbered. There are questions given below the passage and for each question, four words are suggested, one of which fits the blank appropriately. Find out the appropriate word in each case.
Whenever I go into a bank, I feel scared. Everybody and everything that I see there (1) ____ me. As for the manager the sight (2) ____ him simply terrifies me and (3) ____ me want to runaway (4) _____ I can. As soon as I (5) ____ the door of the bank I lose my head (6) ____ when I try to do any (7) ____ there, I behave like an idiot. I cannot explain (8) ____ for this but that is how it (9) ____ has been that is how it is (10) ____.
Select the most appropriate option for blank No. 10.
Match the following
| List - I | List - II | ||
| (a) | Holandric genes | (i) | Pleiotropy |
| (b) | Multiple effects of a single gene | (ii) | Hypertrichosis |
| (c) | Skin colour in man | (iii) | Multiple Alleles |
| (d) | Blood types | (iv) | Polygenic inheritance |
The correct answer is
The best example for pleiotropy is:
Human height is a multigenic character. If the heights of all the individuals living in a metropolis are measured and the percentages of the population belonging to a specific heat are plotted as shown below, which of the plots would represent the most realistic distribution?
Example of polygenic inheritance is
