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What is gene pool?
Concept: Chromosomal Theory of Inheritance
Give any 'two' names of X-linked diseases
Concept: Human Genetic Disorders
What will be the phenotype of progeny, if a carrier haemophilic female marries a normal male?
Concept: Human Genetic Disorders
Write a note on multiple alleles considering examples of human blood groups.
Concept: Deviations from Mendel’s Findings
Define the term ‘genome’.
Concept: Chromosomal Theory of Inheritance
What is criss-cross inheritance?
Concept: Linkage and Crossing Over
Sketch and label the structure of chromosome.
Concept: Chromosomal Theory of Inheritance
Explain the significance of a test cross.
Concept: Back Cross and Test Cross
Distinguish between X andY chromosomes. (Mention any 'two' points.)
Concept: Chromosomal Theory of Inheritance
Name the species used in sericulture. Name the stages in the life cycle of a silk moth in cyclic form.
Concept: Sex Determination
Name the ‘two’ types of maps generated by H.G.P.
Concept: Linkage and Crossing Over
What is ‘syndrome’?
Concept: Human Genetic Disorders
Explain the types of chromosomes on the basis of position of centromere.
Concept: Chromosomal Theory of Inheritance
Explain incomplete dominance with suitable example.
Concept: Deviations from Mendel’s Findings
In which of the following disorders number of chromosomes present is 47?
(A) Turner’s syndrome
(B) Cushing’s syndrome
(C) Acquired Immuno - Deficiency Syndrome
(D) Down’s syndrome
Concept: Human Genetic Disorders
Define Linkage.
Concept: Linkage and Crossing Over
Name the disorder caused by under secretion of thyroxine in children
Concept: Human Genetic Disorders
Which of the following is an example of ZW – ZZ type of mechanism of sex determination?
Concept: Sex Determination
State any two symptoms of Down’s syndrome.
Concept: Human Genetic Disorders
Describe the structure of chromosomes with a suitable diagram.
Concept: Chromosomal Theory of Inheritance
