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61 There are two test options available between the 15th and 18th weeks to screen for chromosomal abnormalities and neural tube defects such as Down’s syndrome and spina bifida.

62 In this paper, the influence of benzamide on the frequency of micronucleated cells and chromosomal aberration in the root tip cells of Vicia faba was evaluated.

63 Telomeres are a special structure of chromosomal ends of somatic cells.

64 To check an egg for chromosomal abnormalities, doctors use a laser to make a small incision in the outer membrane, which allows them to extract the polar body and the chromosomes it contains.

65 MATERIAL AND METHODS: Conventional chromosomal aberrations and G - banded karyotype analysis were used.

66 Chromosomal disorders occur in 0.5 % of Births; many can now be diagnosed before Birth by amniocentesis.

67 The following images represent a rare chromosomal anomaly diagnosed at 26 weeks of pregnancy.

68 Objective To analyze the chromosomal changes and its clinical significance in childhood acute lymphoblastic leukemia(ALL).

69 The common patrilineal ancestor of all humans alive today has been dubbed Y - chromosomal Adam.

70 On the significance of chromosomal data in the evolutional study of Taxodiaceae.

71 Hybridization in situ technique was employed to detect the chromosomal aberration in tumor tissues.

72 Like mRNA, both tRNA and rRNA are transcripts of chromosomal DNA.

73 Duplication can be created by unequal crossing over, retroposition, or whole genome ( or chromosomal ) duplication.

74 The stomatal size was positively related with the chromosomal ploidy .

75 In addition to chromosomal and hormonal causes[sentencedict.com], there may also be environmental factors involved in producing intersexual conditions.

76 The Study included five experiments, i. e, acute toxicity test and accumulative test of rats, bone-marrow micronucleus test and testis chromosomal aberration test of mouse, and Ames test.

77 Objective To report two male azoospermic cases of chromosomal chimaera and Y chromosomal microdeletions.

78 Results: Round-headed spermatozoa were lack of acrosome and the acrosin activity was low. Meanwhile, there was an additional band located in the Y chromosomal short arm.

79 Enriched UO2F2 could result in chromosomal aberrations in spermatogonia and primary spermatocytes.

80 The centrosome, the major microtubule organizing center regulates cell division through forming bipolar mitotic spindles and plays an essential role in the maintenance of chromosomal stability.

81 Objective To investigate the clinical significance of chromosomal aberration of low dose professional radiation for workers in radiology departments.

82 Methods: Chromosomal karyotypes were examined in 199 male patients with oligospermia and azoospermia history by periphery blood lymphocyte culture and G banding.

82 Sentencedict.com try its best to collect and create good sentences.

83 Telomeres are linear chromosomal end special regions of eukaryotic cell and related intimately on the cells aging and the developing of malignant neoplasm.

84 Objective To investigate the chromosomal abnormalities and fusion genes of childhood acute myeloid leukemia ( AML ).

85 Objective To detect the characteristic chromosomal changes in Chinese children with infantile autism.

86 A tentative discussion about the relation between the chromosomal and the organic evolution.

87 The majority of aberrations are sporadic although on rare occasions a chromosomal disorder is directly inherited.

88 The results indicate these ABLs have the same background with ZS97B except that only one or few chromosomal segments derived from the donors affect grain shape.

89 To shield the transgene from the affection of chromosomal position effect and improve its expression efficiency, another cHS4 insulator was inserted into the upstream of transgene cassette.

90 Conclusion: Gene have different degree loses in abnormal chromosome karyogram, result in chromosomal gene linkage not equilibrium and and emergence clinical effect.