Regulating Gene Expression in Eukaryotes MCQs

Welcome to our comprehensive collection of Multiple Choice Questions (MCQs) on Regulating Gene Expression in Eukaryotes, a fundamental topic in the field of Cytogenetics. Whether you're preparing for competitive exams, honing your problem-solving skills, or simply looking to enhance your abilities in this field, our Regulating Gene Expression in Eukaryotes MCQs are designed to help you grasp the core concepts and excel in solving problems.

In this section, you'll find a wide range of Regulating Gene Expression in Eukaryotes mcq questions that explore various aspects of Regulating Gene Expression in Eukaryotes problems. Each MCQ is crafted to challenge your understanding of Regulating Gene Expression in Eukaryotes principles, enabling you to refine your problem-solving techniques. Whether you're a student aiming to ace Cytogenetics tests, a job seeker preparing for interviews, or someone simply interested in sharpening their skills, our Regulating Gene Expression in Eukaryotes MCQs are your pathway to success in mastering this essential Cytogenetics topic.

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Regulating Gene Expression in Eukaryotes MCQs | Page 2 of 8

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Q11.
Genomic imprinting in autosomes is seen in _________________ percent of the genes.

a.

100%

b.

50%

c.

25%

d.

<1%

Discuss
Answer: (d).<1%
Q12.
Differential expression of the genetic material depending on its parentage of inheritance gives____________

a.

Penetrance

b.

Expressivity

c.

Imprinting

d.

Non-penetrance

Discuss
Answer: (c).Imprinting
Q13.
In Igf2 of human ______________ allele is expressed, and Igfr of mice __________ allele is expressed.

a.

Maternal, maternal

b.

Paternal, paternal

c.

Maternal, paternal

d.

Paternal, maternal

Discuss
Answer: (d).Paternal, maternal
Q14.
Which of the following doesn’t agree with XIST?

a.

It codes for an mRNA that coats the inactive X chromosome into a bar body

b.

It is the only gene that is active in inactive X chromosome

c.

The embryo cells shows that maternal allele XIST is active over paternal

d.

Inactivation is seen in somatic cells

Discuss
Answer: (c).The embryo cells shows that maternal allele XIST is active over paternal
Q15.
The imprinting of genes has an epigenetic mode of regulation.

a.

True

b.

False

c.

May be True or False

d.

Can't say

Discuss
Answer: (a).True
Q16.
Choose the wrong statement in the regulation of imprinting.

a.

Methylation of the C residues are seen in the CpG islands

b.

The methylation prevents binding of the RNA polymerase

c.

Genes are methylated at random

d.

Deletion of gene with methylated CpG islands will have no effect

Discuss
Answer: (c).Genes are methylated at random
Q17.
In mice if you delete the Igf2 gene from a female, the progeny will_____________

a.

Be smaller

b.

Die

c.

No major change

d.

Be larger

Discuss
Answer: (c).No major change
Q18.
In mice H19 and Igf2 genes are controlled by the same enhancer. Which of the following is true?

a.

The enhancer enhances both the gene on promoter binding

b.

In one chromosome both the genes are expressed and in other they are not

c.

Igf2 shows paternal imprinting, H19 shows maternal imprinting

d.

Both the genes show paternal imprinting

Discuss
Answer: (c).Igf2 shows paternal imprinting, H19 shows maternal imprinting
Q19.
In mice the expression of Igf2 and H199 is only controlled by methylation.

a.

True

b.

False

c.

May be True or False

d.

Can't say

Discuss
Answer: (b).False
Q20.
Choose the wrong statement from the following.

a.

Maternal Igf2 is methylated to prevent expression

b.

Paternal H19 is methylated to avoid expression

c.

The enhancer can lead to expression of H19 in maternal gene

d.

The enhancer can’t lead to expression of Igf2 in paternal gene

Discuss
Answer: (a).Maternal Igf2 is methylated to prevent expression
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