Chromosomes and genetic information

Choose the correct answer:
Language: English
Subject: Natural science > Biology
Age: 13 - 18

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