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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%
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उत्तर
Father of a child is colourblind and mother is carrier for colourblindness, the probability of the child being colourblind is 50%.
संबंधित प्रश्न
Name the Following
The type of gene which is not expressed in the presence of a contrasting allele.
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)
Choose the correct answer:
Haemophilia is due to recessive gene on __________
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.
What does the child 1 indicate about this trait?
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:
Linkage is a permanent feature of few genes.
Choose the Odd One Out
If a carrier woman marries a normal visioned man, what is the percentage possibility of sons being colourblind?
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 | ______ |
