Variant-2

1. What set of chromosomes ova have?

1. 1 n B. 2 n C. 3 n D. 4 n C. 5 n

2. The inherited changes of genes are called …

1. Inversions B. Inductions C. mutation D. Translocation E. Reduplikation

3. Gene fragment – … ATTsTsT..., the site of "ZZ" underwent a splaysing, find an ekzonny site of the second chain of DNA.

A) ГГ

B) ЦЦ

C) ТАА

D) ТАТ

E) ТАУ

4. Analyze the stated below structural mutation: АВСD - EH (before a mutation)  АВСD - EHЕH (after a mutation). Did morphology of chromosome change ? Find a change type

A) changed, transformation

B) didn't change, transformation

C) the submetacentric chromosome changed in metacentric, duplication

D) the metacentric chromosome changed in akrotsentrichesky, duplication

E) changed, a pleyotropiya

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

A. No B. Yes C. In certain cases D. D. At gene mutations E. At chromosomal mutations.

6. В чем измеряется расстояние между нуклеотидами?

A. Nanometer. V. Angstr. S. Morganida. D. Mikron. E. Millimeter

7. Biotechnology it:

A. researches of chromosomes;

B. definition of nucleotides of DNA;

C. production biological active agents in vitro;

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

E. treatment of diseases.

8. What is the trisomiya?

A. The individuals having chromosomes 2p-1

B. The individuals having chromosomes 2p+1

C. Reduction of number by 2 chromosomes twice

D. Increase in chromosomes by 3 times.

E. Increase hrpomosy by 4 times

9. Name correctly nitrous grounds entering in the complement of DNA. 1.timin 2. I uratsit 3. guanine 4. цитозин 5. Adenine

А. 1, 3, 2, 5 B. 1, 2, 4, 5 С. 2, 3, 4, 5

D. 1, 3, 4, 5 Е. 1, 2, 3, 4

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

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

11. Enzyme which sews DNA fragments:

A. Restriktaza B. Ligase C. Return transkriptaza D. RNA polymerase

E. Aminoatsetilsintetaza

12. If at parents homozygous on genotypes ІІ and ІІІ blood types, what blood types are expected at children

А. 1,4 В. 1,2,3 С. 2,3,4, Д. 1,2,3,4 Е. 4

13. the phage DNA cos-site a lambda is called:

A. Plasmid B. Bacteriophage C. Episoma D. Fazmida E. Kosmida

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

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

15. At what types males of a gomogametna?

A. Horse B. Sheep C. Rabbit D. Pig E. of birds

16. Where the genes linked to a floor are localized.

A. In autosomes B. In somatic chromosomes С. In locus D. In sexual chromosomes E. In muton

17. Imitate hereditary changes, but aren't inherited:

A. Modification action of a gene B. Pleyotropnoye action C. Penentransnost D. Expressivity

E. Fenokopiya

18. Who and when discovered nucleinic acids?

A. G. Mendel, 1865 B. T. Morgan, 1910 C. F. Misher, 1868 D. M. Mezelson, F. Stal 1957

E. K. Avery, 1944

19. A place of biosynthesis of proteins in a cage

A. Mitochondrions. B. Endoplazmaticheskaya network. C. Yadro

D. Apparat Golgi. E. Ribosomes

20. DNA site containing genetic information

A. heterochromatin

B. intron

C. exon

D. promoter

E. informosome