Chromosome Introduction

The term chromosome was coined by ___________.

• Sutton

• Boveri

• Waldeyer

• Hoffmeister

Which of the following statements is true about the ends of the chromosome?

• The ends of the chromosome are called Satellites

• The ends of the chromosome are called Centromeres

• The ends of the chromosome are called Telomeres

• The ends of the chromosome are called Kinetochore

How many sex chromosomes are present in a human being?

• 1 pair

• 2 pairs

• 3 pairs

• 4 pairs

How many autosomes are present in a human being?

• 20 pairs

• 22 pairs

• 23 pairs

• 44 pairs

A chromosome with a very short arm and a very long arm is referred to as

• Metacentric

• Telocentric

• Acrocentric

• Sub-metacentric

Euchromatin is -----------

• Stains lightly

• Is partially condensed

• Genetically active chromatin with genes

• All of the above

The short arm of the chromosomes is also called as ----------------

• q arm

• p arm

• c arm 

• g arm

Nucleolar organizer basically found at ---------------- region.

• Secondary Constriction -I

• Secondary Constriction – II

• Primary Constriction

• Centriole 

The term Heterochromatin and Euchromatin was coined by ------------- in 1928.

• Winchester

• Flemming

• Emil Heitz

• Watson  

------------ shows tightly packed form of DNA, containing transcriptionally inactive sequences.

• Euchromatin

• Heterochromatin

• Chromomere

• Telomere