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Question 1

What is substitution in mutations?

Answer 1

Remplacement d’un nucléotide.

Question 2

What is a silent mutation?

Answer 2

Pas d’effet sur la protéine.

Question 3

What is a missense mutation?

Answer 3

Modification d’un acide aminé.

Question 4

What is a nonsense mutation?

Answer 4

Apparition d’un codon STOP.

Question 5

What is deletion in mutations?

Answer 5

Perte de nucléotides.

Question 6

What is addition in mutations?

Answer 6

Ajout de nucléotides.

Question 7

What is chromosomal deletion?

Answer 7

Perte d’un fragment de chromosome.

Question 8

What is chromosomal duplication?

Answer 8

Multiplication d’un fragment.

Question 9

What is inversion in chromosomal mutations?

Answer 9

Inversion d’un fragment.

Question 10

What is translocation in mutations?

Answer 10

Échange de fragments entre chromosomes non homologues.

Question 11

What is the role of enzymes in mutation repair?

Answer 11

Corrigent les erreurs après la réplication (phase G2).

Question 12

What is the function of the protein p53?

Answer 12

Bloque le cycle cellulaire ou déclenche la mort cellulaire si trop d’erreurs.

Question 13

What are somatic cells?

Answer 13

Peuvent provoquer un cancer (non transmis à la descendance).

Question 14

What are germinal cells?

Answer 14

Mutations transmissibles, source de biodiversité.