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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 ____________.
विकल्प
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
Name the Following
The type of gene which is not expressed in the presence of a contrasting allele.
Expand the following biological abbreviations : DNA
Give technical terms for Repeated units of DNA molecule
Differentiate between:
monohybrid and dihybrid cross (phenotypic ratio)
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 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:
Male act as a carrier for colourblindness.
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.
Short Answer Question.
Observe the given pedigree chart and answer the following question.
Identify whether the trait is sex-linked or autosomal.
What is cris-cross inheritance?
Haemophilia is more common in males because it is a ____________.
Why are sex linked recessive characters more common in the male human beings?
Inheritance of hypertrichosis occurs directly from ____________.
Identify the INCORRECT statement with regard to haemophilia.
Identify the progeny produced if a colour blind male marries a normal vision female.
If a colour blind man marries a normal visioned woman, what is the percentage of offsprings showing colour blindness phenotypically?
Which of the following is NOT an autosomal-linked recessive disease?
The disease colour blindness is a ______.
