molecular genetics

Question 1

Nucleotide

Answer 1

A nucleotide is the basic unit of DNA and it is made up of a deoxyribose sugar, a phosphate group and a nitrogenous base

Question 1

Gene

Answer 1

A gene is a sequence of nucleotides as part of a DNA molecule. Each gene carries a genetic code for the synthesis of a specific polypeptide

Question 2

DNA

Answer 2

DNA is a molecule that carries genetic information for the synthesis of a specific polypeptides

Question 3

Chromatin

Answer 3

A chromatin is a fine, thread-like structure comprising of a molecule of DNA wrapped around proteins

Question 4

Chromosome

Answer 4

A chromosome is a rod-like structure made up of a highly coiled, condensed and shortened chromatin during cell division

Question 5

Genetic engineering

Answer 5

Genetic engineering is a technique used to transfer genes from one organism to another

Question 6

Vector

Answer 6

A vector is a DNA molecule used to transfer genes of one organism into another

Question 7

Recombinant plasmid

Answer 7

A plasmid which contains the genes of another organism

Question 8

Transgenic organism

Answer 8

An organism which has received foreign genes and whose genetic materials has been altered using genetic engineering techniques, which is artificial and involves human intervention