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Question
find odd one from following: Typhoid, Haemophilia, Albinism, Colour blindness.
Solution
Odd term: Typhoid
Category: Genetic disorders
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RELATED QUESTIONS
Match the terms in column I with their explanations in column II.
| Column I (Term) | Column I (Explanation) | ||
| a | genetics | 1 | Chromosomes similar in size and shape |
| b | Autosomes | 2 | The alternative forms of a gene |
| c | Recessive gene | 3 | Study of laws of inheritance of characters |
| d | Allele | 4 | A gene that can express only when in a similar pair |
| e | Homologous chromosomes | 5 | Chromosomes other than the pair of sex chromosomes |
Two pairs (A & B) of rabbits were crossed, as given below:
- Can you tell which coat colour (black or white) is dominant?
- Is the coat colour sex-linked?
A family consists of two parents and their five children and the pedigree chart shown below shows the inheritance of the trait colour blindness in them.
Name one other trait in humans which follows a similar pattern of inheritance.
A woman with normal vision marries a man with normal vision. They have a colourblind son. Her husband dies and she marries a colourblind man. Show the type of children that might be expected from this marriage and the proportion of each.
A haemophilic man marries a carrier women. Find out the probability of their offsprings being haemophilic.
Mention, if the following statement is True or False. If false rewrite the wrong statement in its correct form:
Colour blindness is a Y-linked character.
Mention, if the following statement is True or False. If false rewrite the wrong statement in its correct form:
A colourblind male cannot distinguish any colour.
Short Answer Question.
Observe the given pedigree chart and answer the following question.
Give an example of a trait in human beings which shows such a pattern of inheritance.
The criss-cross pattern of inheritance is observed in ____________.
Four friends P, Q, R and S were discussing the examples of genetic disorders. The examples they quoted were as follows:
P. Colour blindness and Malaria
Q. Albinism and Cholera
R. Haemophilia and Colour blindness
S. Haemophilia and Albinism
Who gave the correct examples?
