Advertisements
Advertisements
Question
Father of a child is colourblind and mother is carrier for colourblindness, the probability of the child being colourblind is ____________.
Options
25%
50%
100%
75%
Solution
Father of a child is colourblind and mother is carrier for colourblindness, the probability of the child being colourblind is 50%.
RELATED QUESTIONS
the Biological/technical term for An alteration in the genetic material that can be inherited.
Give technical terms for Repeated units of DNA molecule
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?
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)
Answer the following briefly:
Explain with the help of a chart what will be the colour of a child's hair if father has got dominant gene for black hair and mother has recessive gene for brown hair?
Give Reason:
Hemophilia shows criss-cross inheritance.
Differentiate Between Haemophilia and Colour blindness.
Mention, if the following statement is True or False. If false rewrite the wrong statement in its correct form:
Haemophilia exhibits X linked inheritance.
Long answer type question.
Explain cris-cross inheritance with suitable example.
A family has five daughters and expecting sixth child. The chance of its beings a son is
Explain the inheritance of sex-linked characters in human being.
Girl of normal vision whose father was colour blind marries a man of normal vision whose father was also colour blind. The sons of this marriage would be ______.
What would be the progeny obtained if a haemophilic male marries a female with normal blood clotting?
The genes present on non-homologous part of Y-chromosome are called ____________.
Holandric genes are found only in ____________.
Name any two X-Linked recessive disorders.
A plant with red flowers was crossed with another plant with yellow flowers. If F1 showed all flowers orange in colour, explain the inheritance.
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?
If the mother is normal and the father is haemophilic, then their two daughters will be ______.
