Practice Questions

Neurofibromatosis is a condition in humans which is generally inherited in a dominant fashion. Assuming this disorder is 90% penetrant, what is the chance that a single child born to a father with neurofibromatosis and a mother known not to carry the mutation will have the disorder?

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#Question id: 24253

#Unit 2. Cellular Organization

Choose the correct option

a. H3 and H4 histones first form heterodimers that then come together to form a tetramer with two molecules each of H3 and H4.

b. While H2A and H2B form heterodimers in solution but not tetramers.

c. This assembly without DNA called Histone-only Intermediates

d. First the H3.H4 assemble into tetramer (HOI) then DNA wrapped over H3.H4 tetramer.

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#Question id: 28724

#Unit 2. Cellular Organization

The small GTPases in vesicle formation is in the pinching off of a completed vesicle from the parent membrane;

b-clathrin-coated vesicles

c-COPII vesicles

find the correct matches GTPases to drives the pinching off vesicles?

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#Question id: 4751

#Unit 8. Inheritance Biology

In the following example, 3 independently assorting genes are known to govern coat color in mice. The genotype of few of the coat colors is given below:

Agouti: A-B-C- Black: aa B-C - Albino: -- -- cc

What will be the expected frequency of abino, in progeny from crosses of AaBbCc with albino of the genotype aabbcc?

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Nurturing Life Sciences

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Nurturing Life Sciences

In tobacco, virus-induced gene silencing of the genes for which type of kinases that are the members of the MAPK family, which are involved in the regulation of antiherbivore defenses?