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Genetics and Molecular Biology: Key Concepts

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Questions and Answers

What is the primary function of the centromere in a chromosome?

To stain the chromosome
To divide the chromosome into two arms (correct)
To synthesize ribosomes
To contain functional genes

Which type of chromosome has a short (p) and long arm (q)?

Metacentric
Telocentric
Acrocentric
Submetacentric (correct)

What is the characteristic of heterochromatin?

It contains functional genes
It is less coiled and has less repetitive DNA
It is more highly coiled and has more repetitive DNA (correct)
It is found only in telomeres

What is the function of telomeres in chromosomes?

To stabilize functional euchromatin (C) Signup and view all the answers

What is the characteristic of euchromatin?

It contains functional genes (B) Signup and view all the answers

What is the function of satellite structures in chromosomes?

To form the nucleolus (A) Signup and view all the answers

What is the sequence found in telomeres?

TTAGGG (D) Signup and view all the answers

What is the purpose of karyotyping?

To visualize chromosomal aberrations (B) Signup and view all the answers

What information does a chromosomal shorthand provide?

The type of chromosome abnormalities (C) Signup and view all the answers

What is the purpose of staining in chromosomes?

To distinguish between heterochromatin and euchromatin (B) Signup and view all the answers

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