Deoxyribonucleic acid

Question 1

Genes

Answer 1

Specific sequence of DNA bases which code for a particular protein or functional RNA.

Question 2

Gene mutations

Answer 2

Gene mutations involve a change in the base sequence of chromosomes.

Question 3

Genetic code

Answer 3

three-letter combinations of nucleotides called codons, each of which corresponds to a specific amino acid or stop signal.

Question 4

point mutation

Answer 4

a change in one base in a codon (substitution, deletion, insertion)

Question 5

chromosonal mutations

Answer 5

changes in the positions of the genes on the chromosones

Question 6

whole chromosone mutations

Answer 6

entire chromosone is lost or duplicated during meiosis