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प्रश्न
Father of a child is colourblind and mother is carrier for colourblindness, the probability of the child being colourblind is ____________.
पर्याय
25%
50%
100%
75%
उत्तर
Father of a child is colourblind and mother is carrier for colourblindness, the probability of the child being colourblind is 50%.
संबंधित प्रश्न
Briefly explain the term ‘Mutation’.
Expand the following biological abbreviations : DNA
Give technical terms for A sudden heritable change in the gene
Make a punnett square for finding out the proportion of different genotypes in the progeny of a genetic cross between.
red flower variety of pea (RR) with white flower variety of pea (rr)
Why do men suffer from hemophilia and colour blindness? Under what conditions do women suffer from these disorders?
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.
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:
Females are more affected by sex-linked genetic disorders.
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.
Long answer type question.
Explain cris-cross inheritance with suitable example.
A marriage between a colourblind man and a normal woman produces ____________.
The criss-cross pattern of inheritance is observed in ____________.
Study the following statements and select the correct option.
Statement I: Holandric genes are present on Y chromosome. Statement II: Holandric genes are always inherited from father to son.
Identify the INCORRECT statement with regard to haemophilia.
The genes present on non-homologous part of Y-chromosome are called ____________.
Holandric genes are found only 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?
The disease colour blindness is a ______.
