Chromosome Structure and Function Quiz

Explore chromatin, telomeres, DNA packaging & more. Test your knowledge with 17 questions on chromosome structure and function.

#1

Which of the following is NOT a component of a chromosome?

Centromere
Telomere
Codon
Chromatid
#2

What is the primary function of telomeres in a chromosome?

To facilitate chromosome movement during cell division
To prevent degradation of genetic material at the ends of chromosomes
To promote recombination between homologous chromosomes
To encode essential genes for cellular functions
#3

Which of the following describes the primary structure of a chromosome?

The overall three-dimensional shape of the chromosome
The specific sequence of nucleotides in the DNA
The arrangement of histone proteins and DNA
The visible appearance of the chromosome under a microscope
#4

What is the term for the exchange of genetic material between homologous chromosomes?

Replication
Transcription
Translation
Recombination
#5

Which of the following is true regarding the number of chromosomes in a haploid cell?

It is half the number of chromosomes in a diploid cell
It is the same as the number of chromosomes in a diploid cell
It is double the number of chromosomes in a diploid cell
It varies depending on the organism
#6

What is the term for a change in the structure or number of chromosomes in an organism?

Mutation
Translocation
Inversion
Polyploidy
#7

Which protein complexes are responsible for the packaging of DNA into chromatin?

Histones
Lipids
Carbohydrates
Enzymes
#8

What is the term for the specific region of a chromosome where spindle fibers attach during cell division?

Centromere
Telomere
Kinetochore
Chromatid
#9

Which type of chromatin is transcriptionally active and less condensed?

Euchromatin
Heterochromatin
Telomeric chromatin
Centromeric chromatin
#10

During mitosis, in which phase do chromosomes line up along the metaphase plate?

Prophase
Metaphase
Anaphase
Telophase
#11

Which of the following processes contributes to genetic diversity by producing non-identical daughter cells?

Mitosis
Meiosis I
Meiosis II
Binary fission
#12

What is the term for the failure of homologous chromosomes or sister chromatids to separate properly during cell division?

Nondisjunction
Crossing over
Synapsis
Segregation
#13

In eukaryotic cells, during which phase of the cell cycle do chromosomes replicate?

G1 phase
S phase
G2 phase
M phase
#14

What is the term for a specific region of DNA that codes for a particular protein or RNA molecule?

Gene
Allele
Genome
Locus
#15

Which of the following chromosomal abnormalities results in an individual having an extra copy of chromosome 21?

Down syndrome
Turner syndrome
Klinefelter syndrome
Cri du chat syndrome
#16

Which of the following genetic disorders is caused by a deletion in a portion of chromosome 5?

Turner syndrome
Klinefelter syndrome
Cri du chat syndrome
Down syndrome
#17

What is the term for the physical expression of an organism's genetic makeup?

Genotype
Phenotype
Haplotype
Karyotype

Sign In to view more questions.

Sign InSign Up

Quiz Questions with Answers

Forget wasting time on incorrect answers. We deliver the straight-up correct options, along with clear explanations that solidify your understanding.

Test Your Knowledge

Craft your ideal quiz experience by specifying the number of questions and the difficulty level you desire. Dive in and test your knowledge - we have the perfect quiz waiting for you!

Other Quizzes to Explore