Chromosomes and genetic information
What is the function of chromosomes?
To store genetic information
To synthesize proteins
To regulate metabolism
To transport nutrients
How many chromosomes do humans have?
23
24
46
48
What is the name of the process where genetic information is transferred from parent to offspring?
Mitosis
Meiosis
Transcription
Translation
What is the structure that holds sister chromatids together?
Centrosome
Centromere
Chromosome
Chromatid
What is a gene?
A sequence of DNA that codes for a protein
A type of RNA that carries amino acids
A structural protein in chromosomes
A metabolic enzyme
What is the process by which DNA is duplicated?
Translation
Replication
Transcription
Metabolism
What is the name of the enzyme that helps to unwind the DNA double helix during replication?
Helicase
Polymerase
Ligase
Gyrase
What is an allele?
A type of chromosome
A variant form of a gene
A type of RNA
A type of protein
What is the name of the process by which RNA is synthesized from DNA?
Translation
Replication
Transcription
Metabolism
What is the name of the genetic disorder caused by an extra copy of chromosome 21?
Huntington's disease
Down syndrome
Cystic fibrosis
Sickle cell anemia