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प्रश्न
What is criss-cross inheritance?
उत्तर
Inheritance of genes from a male parent to a female child and then to a male grandchild or female parent to a male child and then to a female grandchild.
E.g., X-linked gene inheritance.
संबंधित प्रश्न
find odd one from following: Typhoid, Haemophilia, Albinism, Colour blindness.
Give scientific reasons : Colour blindness is more common in men than in women.
Give technical terms for A sudden heritable change in the gene
Differentiate between:
character and trait.
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)
A woman has normal vision but her father was colour blind. If she is married to a colour blind person, report on the occurrence of the disease in the progeny.
Choose the correct answer:
A carrier haemophilic woman marries a haemophilic man. What are the chances for her progeny to be haemophilic?
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.
On which chromosome is the gene of this trait located?
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.
Name one other trait in humans which follows a similar pattern of inheritance.
Name anyone X-linked disease found in humans.
Give Technical Term:
Name a genetic disease in which a person cannot distinguish red and green colour.
What are X-linked genes?
Haemophilia is more common in males because it is a ____________.
What are holandric genes?
Identify the CORRECT statement from the following.
The criss-cross pattern of inheritance is observed in ____________.
Identify the progeny produced if a colour blind male marries a normal vision female.
If a carrier woman marries a normal visioned man, what is the percentage possibility of sons being colourblind?
Rakesh is colour blind, married to Sangeeta who is having normal v1s10n (Homozygous). They have a son and a daughter. Determine the type of vision in their children with the help of a suitable chart.
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?
