A) Phenotypic

Date: 2015-10-07; view: 575.

b) Combinative

c) Mutative

39. What does it means the term “norm of reaction”?

a) Boundary of modification variation of sign, which learn at this individual.

b) Variability of characters.

c) Stage of expression of the gene.

40. What meaning have modification variation for the process of evolution?

a) Provide the adaptation of organism.

b) Provide the change of forms

c) Increase the variety of the living forms.

41. What is variational series?

a) Aggregate of value, which place in order of increase.

b) Aggregate of value, which place in order of decrease.

c) Aggregate of value, which place random.

42. The inhabitants of mountains have the increasing of erythrocytes and hemoglobin in the blood. What kind of variation (variability) is there?

a) Mutation.

b) Modification.

c) Combination.

43. What is it is typical for dizygotic twins?

a) Developing from a different zygote.

b) Both of twins have the same sex always.

c) Twins have different sex always.

d) Develop from a single zygote.

e) They have identical genotypes.

44. What is used the study of twins for?

a) To mark degree of influence of genotype and environment on the genesis of some trait.

b) To study the character of inheritance of the trait.

c) To diagnostics of metabolism diseases disorder.

d) To diagnostics of chromosomal disorder.

45. What does the term “concordance” means?

a) Both of twins within the pair have the same phenotypes.

b) Both of twins within the pair have the same genotypes.

c) The twins have different phenotypes.

d) The twins have different genotypes.

46. What is it is typical for dizygotic twins?

a) Developing from a different zygote.

b) Both of twins have the same sex always.

c) Twins have different sex always.

d) Develop from a single zygote.

e) They have identical genotypes.

47. During the analysis of pedigree is detected that frequency of disease cases among men and women is alike, the character (disease) is inherited both after fathers and mothers both by daughters and sons, probability of manifestation of disease in the posterity of heterozygote parents is equal of 25%, and vertical type of inheritance is absent. Define the type of inheritance.

a) autosomal dominant

b) autosomal recessive

c) X-linked dominant

d) X-linked recessive

e) Y-linked

48. During the analysis of pedigree is detected that the frequency of disease cases among men and women is alike, the character (disease) is inherited both after fathers and mothers both by daughters and sons, hrobability of manifestation of disease in the posterity of heterozygote parents is equal of 75%, and vertical type of inheritance is presence. Define the type of inheritance.

a) autosomal dominant

b) autosomal recessive

c) X-linked dominant

d) X-linked recessive

e) Y-linked

49. During the analysis of pedigree is detected that frequency of disease cases among the women is more than among the men, the character (disease) is inherited after fathers by daughters only, and after mothers it is inherited both by daughters and sons. Vertical type of inheritance is presence. Define the type of inheritance.

a) autosomal dominant

b) autosomal recessive

c) X-linked dominant

d) X-linked recessive

e) Y-linked

50. During the analysis of pedigree is detected that the disease cases are among men only, the character (disease) is inherited after fathers by sons only, and vertical type of inheritance is presence.

a) autosomal dominant

b) autosomal recessive

c) X-linked dominant

d) X-linked recessive

e) Y-linked

51. During the analysis of pedigree is detected that frequency of disease cases among the men is more than among the women, the character (disease) is inherited after fathers by daughters only, and after mothers it is inherited both by daughters and sons. Vertical type of inheritance is absent.

a) autosomal dominant

b) autosomal recessive

c) X-linked dominant

d) X-linked recessive

e) Y-linked

52. What are the parents' genotypes if they are healthy, but their child has an autosomal recessive disease?

a) AA and AA

b) AA and Aa

c) Aa and Aa

d) aa and aa

e) Aa and aa

53. What are the parents' genotypes if the first their children has an autosomal dominant disease, but the second there is healthy?

a) AA and AA

b) AA and Aa

c) Aa and Aa

d) aa and aa

e) Aa and aa

54. A person has growth failure, mental retardation, flat back of head, abnormal ears, epicanthic eyefold, slanting eyes, big wrinkled tongue, and congenital heart disease. What diagnosis is?

a) Patau's syndrome

b) Down Syndrome

c) Edwards' syndrome

d) cat cry syndrome

e) Turner's syndrome

55. A person has small head and the back of the head is prominent. The ears are malformed and low-set, and the mouth and jaw are small. There are a cleft lip and cleft palate. Hands are clenched into fists, and the index finger overlaps the other fingers. Abnormalities of lungs and diaphragm, and heart defects and blood vessel malformations are presence. What diagnosis is?

a) Patau's syndrome

b) Down Syndrome

c) Edwards' syndrome

d) cat cry syndrome

e) Turner's syndrome

56. A woman has short stature, low hairline, and fold of skin on neck, rudimentary ovaries, and uddeveloped gonadal structures. No menstruations. What diagnosis is?

a) Patau's syndrome

b) Down Syndrome

c) Edwards' syndrome

d) cat cry syndrome

e) Turner's syndrome

57. A man has tall stature, slightly pheminized physique, and breast development. There are a female-type pubic hair pattern, and testicular atrophy. What diagnosis is?

a) Patau's syndrome

b) Klinefelter's syndrome

c) Edwards' syndrome

d) cat cry syndrome

e) Turner's syndrome

58. What isn't the characteristic of an ideal population.

a) the population mates randomly

b) no mutations occur

c) no selection occurs (no influence of “fitness”)

d) no migration (no gene flow)

e) small population size (no genetic drift)

59. What does p mean in Hardy-Weinberg equations by Hardy-Weinberg?

a) the frequency of the dominant allele

b) the frequency of the recessive allele

c) the frequency of the homozygous dominant individuals

d) the frequency of the heterozygous individuals

e) the frequency of the homozygous recessive individuals

60. What does p² mean in Hardy-Weinberg equations by Hardy-Weinberg?

a) the frequency of the dominant allele

b) the frequency of the recessive allele

c) the frequency of the homozygous dominant individuals

d) the frequency of the heterozygous individuals

e) the frequency of the homozygous recessive individuals

61. What is in correspondence to frequency of dominant trait in Hardy-Weinberg equations by Hardy-Weinberg?

a) p

b) q

c) 2pq

d) q²

e) p² + 2pq