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प्रश्न
Mention, if the following statement is True or False. If false rewrite the wrong statement in its correct form:
Cancer is a genetic disorder.
विकल्प
True
False
उत्तर
False
Correct Statement: Cancer is not a genetic disorder.
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संबंधित प्रश्न
find odd one from following: Typhoid, Haemophilia, Albinism, Colour blindness.
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 |
In a certain species of animals, black fur (B) is dominant over brown fur (b) Show the possible ratio of genotypes and phenotypes of the offspring of the pure breeding different coloured parents.
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?
Mention, if the following statement is True or False. If false rewrite the wrong statement in its correct form:
Haemophilia exhibits X linked inheritance.
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.
In which of the following case colour blind daughter will be born?
The genes present on non-homologous part of Y-chromosome are called ____________.
Types of sex- linked genes:
(Haemophilia, Ichthyosis, nephritis, Myopia, Hypertrichosis, Retinitis pigmentosa)
| Column 'A' | Column 'B' | |
| (1) | Completely X- linked genes | ______ |
| (2) | Completely Y- linked | ______ |
| (3) | Incompletely sex-linked genes | ______ |
