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генетика 101-125

Total questions: 25

Worksheet time: 13mins

Name
Class
Date
1.

Location in space components a molecule of atoms, which can to be received by rotation atoms around single users covalent bonds connections are called

a)

Recovery molecules

b)

Destruction molecules

c)

Conformation molecules

d)

Isomerization molecules

2.

Role the analyzer in the analyzing tool crossing points perform:

a)

AA

b)

aaws

c)

AABB

d)

The aaBB

3.

Law Hardy-Weinberg valid when compliance conditions:

a)

Population completely isolated

b)

The population is small

c)

Crosses occur it’s no accident

d)

In the population constantly they appear new mutations

4.

Men's shoes heterogeneity inherent:

a)

Moli

b)

To a person

c)

Locusts

d)

Birds

5.

Reciproque crossing in fruit flies characterized by these signs, how:

a)

In the nuclei of chromosome drosophil changed the number of chromocentres

b)

Its results prove it, what do males have it's happening crossroads chromosomes

c)

Internode

d)

Digeterozygote is a female, a digomozygote – male.

6.

Main features regulations chromosomal theories of T. Morgan:

a)

 1 St. Petersburg equal to 1 gene

b)

Genes in chromosomes are located linearly

c)

Distance between genes always the same.

d)

Attributes are inherited independently from each other.

7.

Scientists, contributors in disclosure mechanisms crossing point:

a)

K.Stern

b)

D.Jyanoysky

c)

F.Jansens

d)

M.Berg

8.

Monomeric links of nucleic acids acids are:

a)

The mononucleotides

b)

Nucleotides

c)

Proteids

d)

Dinucleotides

9.

Case 100% non-divergence the chromosome was opened by L. V. Morgan, who installed it, what:

a)

  In the offspring daughters have 50% of signs father and 50% - mother.

b)

In the offspring sons have 50% of signs father and 50% - mother.

c)

One X-chromosome it goes into the egg, the second is b directional the body

d)

In the offspring all my sons they turn out to be with my father's money signs.

10.

Y human dominant arachnodactyly mutation defines:

a)

Shortening bones of the skeleton

b)

The presence of genius

c)

Attach file long and thin fingers

d)

Formation short thick ones fingers

11.

Y recessive cases homozygous for phenylketonuria gene noted:

a)

The development of dementia

b)

Heart disease

c)

The presence of genius

d)

Formation short thick ones fingers

12.

Histones

a)

Provide The pH of the cell

b)

Supply energy into cells

c)

Colour it nuclear structure

d)

Provide spatial structure an organization A in the chromosome

13.

By position centromeres on a chromosome select:

a)

Metacentric

b)

Complementarity

c)

Polycentric

d)

Idiocentric

14.

Under complementarity in the structure The DNA follows understand:

a)

Abilities DNA to take various conformations

b)

Education "gutters" in a double helix

c)

Stabilization macromolecule

d)

Mutual compliance sequences the basis in DNA chains

15.

For usage unified classification human chromosomes a karyogram is being constructed, on which they are placed images have:

a)

Long shoulders up

b)

Left to right in order reducing the number of users lengths

c)

From right to left in order reducing the number of users lengths

d)

Not adhering of any kind rules

16.

Process, when information parent molecules The DNA is transferred with the maximum value accuracy child DNA it's called:

a)

Broadcast

b)

Genetic information recombination

c)

Transcription

d)

Mutations

17.

Mitosis – this is the way divisions when:

a)

Child cells get the material, identical source cell

b)

Formed four identical ones child cells

c)

Objects they are only eukaryotic cells organisms

d)

Child cells are not formed equally likely

18.

Process transfer of genetic information information from DNA to RNA it's called:

a)

Broadcast

b)

Replication

c)

Mutations

d)

Transcription

19.

When light microscopy in the prophase of mitosis you can see it:

a)

What is each one the chromosome consists of 2 parts nursing services chromatid

b)

Thin chromatin tangled threads into a tangle

c)

Education kernels

d)

Chromosome differences by size and location centromeres

20.

Process decoding mRNA as a result which information it is translated from mRNA in the language of an amino acid chain sequences the protein is called:

a)

Replication

b)

Broadcast

c)

Mutations

d)

Transformation

21.

Ability Ready for perestroika, which can change the combination genes in this case the genome is called:

a)

Transcription

b)

Broadcast

c)

Transformation

d)

Mutations

22.

Petit-mutation violate activities mitochondria in mitochondrial heredity:

a)

Gene mutation

b)

Acit Petit-mutations

c)

Natural resources pethid-mutations

d)

Nuclear Petit-mutations

23.

Type of replication DNA, characteristic for animals organisms and a person:

a)

Semi-conservative

b)

Conservative

c)

Dispersed

d)

Persed

24.

Types extrachromosomal elements participating in extrachromosomal inheritance:

a)

Nuclear threads

b)

Plasmids

c)

RNA-nucleotides

d)

Mitochondria

25.

Action inbreeding on genotypic structure the population has for her it's like this investigations as follows:

a)

Downgrade homozigosity

b)

Mass extinction individuals

c)

Inbred depression

d)

Upgrade homozigosity