Hunter syndrome is a rare form of mucopolysacchararidosis that differs from all other forms in that it shows X-linked recessive inheritance. A woman with two affected brothers is referred for genetic counselling. Which of the following is correct?

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#Question id: 26805

#Unit 8. Inheritance Biology

Which of the following mutation majorly involved for causing deletion or duplication?

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#Question id: 26806

#Unit 8. Inheritance Biology

Which of the following cell cycle stage is choosen for seeing chromosomal mutation?Which of the following cell cycle stage is choosen for seeing chromosomal mutation?

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#Question id: 26807

#Unit 8. Inheritance Biology

In case of mammals, which of the following signalling molecules are responsible for making decision for entry into meiosis?

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#Question id: 26808

#Unit 8. Inheritance Biology

Chromosome are classified into four basic term,

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#Question id: 26809

#Unit 8. Inheritance Biology

 Individual chromosomes may lose or gain parts and the order of genes within a chromosome may become altered. These variations in the number and structure of chromosomes are termed as

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#Question id: 26810

#Unit 8. Inheritance Biology

Match the following;

Column I	Column II
(A) G-bands	(i) viewing the chromosomes under ultraviolet light results from differences in  the relative amounts of cytosine-guanine (C-G) and adenine-thymine base pairs
(B) R-bands	(ii) which are regions of DNA occupied by centromeric heterochromatin
(C) Q-bands	(iii) staining the telomere DNA specifically
(D) C-bands	(iv) distinguish areas of DNA that are rich in adenine-thymine (A-T) base pairs
(E) T-bands	(v) reverting the dark bands by using saltingout method