Variant-20

1. Pro-motor it:

1. structural gene; B. cluster gene; C. gene regulator D. initial point of copying of information;

2. What is the cloning of genes?

1. Accession to DNA virus

2. Synthesis of copies of genes

3. Splitting of DNA

4. Inserts in DNA

5. Transcription

3. What soonosheniye of introns and ekzon in any gene эукариот?

A . lonely quantity

2. It is more than introns

3. Ekzonov is more

4. in each gene differently

5. All answers are correct

4. What genotype the 3rd blood type of the person 1. ВВ, ВО 2. АА, АО

5. 3. АА 4. ВВ 5. АВ?

А. 2. В. 5. С. 3, 4. Д. 1. Е.1, 2.

5. Whether one amino acid can be coded by several triplets?

A. Yes Century. There is no Page. In certain cases. D. At gene mutations E. At chromosomal mutations

6. The induced mutations:

A. Mutation are caused artificially

B. Mutations appear spontaneously

C. Hereditary variability

D. Chromosomal mutations

E. Gene mutations

7. The Gemizigotny gene

A. one-chain DNA

B. a single gene in a genotype - X (A) Y

C. identical genes

D. mutant DNA

E. the gene which is shown in half of zygote

8. What enzyme participates in a transcription?

A. RNK-estataza B. RNK-sintetaz C. RNA phosphatase D. RNA polymerase to E. Vsa the above-named

9. As set of genes of the chromosomes of this organism containing in a haploid set is called:

A. Genokopiya B . Genofond C. Gen D. Genotip E. Fenotip

10. Connection two akrotsentricheskikh of chromosomes in the area tsentromer in one chromosome is called:

A. Duplication B. Robertsonovskaya Page translocation. C. Inversion

D. Transpozition E. Defishensi

11. The distance between genes is measured in what units?

A. Angstrom B. Morganid's angstrom C. Mikron D. Millimetr E. Nanometr

12. How influence of a gene on a sign is carried out?

A. Through biochemical reaction of Century. B. Through i-RNK Page. C. Through protein D. Through DNA E. There is no correct answer

13. Process of restoration of primary structure and correction of damage of molecules of DNA is called:

A. Reparation. B. Replication. C. Mutation. D. Deletion. E. Translokation.

14. The main complex of a gistosovmestimost (Ministry of Taxes and Tax Collection) at the person:

А. BoLA B. SLA C. OLA Д. ELA E. HLA

16. In what the distance between nucleotides is measured?

A. Nanometer. B. Angstr. C. Morganida. D. Mikron. E. Millimetr

17. Biotechnology it:

A. researches of chromosomes;

B. definition of nucleotides of DNA;

C. production biological ativnykh of substances in vitro;

D. transfer of genetic material from one organism in another;

E. treatment of diseases.

18. Polymorphism

A. a multiple form of a gene in population

B. some forms of a mutation,

shown at a look

C. influence of several genes on a sign

D. linked transfer of several genes

E. genetic freight of population

19. Enzyme which sews gaps in DNA during synthesis by DNA or its reparation, is called-----.

20. Loss of a site from the middle of a chromosome as a result of a mutation:

A. Deletion. B. Translokation. C. Fragmentation. D. Duplication. E. Inversiya.