This study evaluates the cytotoxic and mutagenic effect of synthetic hydroxyapatite granules (source: School of Material and Mineral Resources Engineering, Universiti Sains Malaysia) in the bone marrow cells of mice. Mice are exposed to synthetic hydroxyapatite granules, the bone marrow cells are collected and observed for chromosome aberrations. No chromosome aberrations were noticed in the an...

Abstract. Haq FAN, Etikawati N, Solichatun. 2023. Effect of cypermethrin insecticide on root chromosome morphometry scallion (Allium fistulosum). Cell Biol Dev 7: 14-21. Farmers in Tawangmangu, Karanganyar, Central Java, Indonesia, commonly use a pesticide known as whenever growing fistulosum L.). If used at excessive levels, can be fatal to plants. Chromosome morphological changes are an indic...

A cytogenetic study was performed on 4,117 Korean patients referred for suspected chromosomal abnormalities. Chromosome aberrations were identified in 17.5% of the referred cases. The most common autosomal abnormality was Down syndrome and Turner syndrome in abnormalities of sex chromosome. The proportions of different karyotypes in Down syndrome (trisomy 21 92.5%, translocation 5.1%, mosaic 2....

EVERAL studies have now demonstrated that postirradiation oxygen treatS ments can markedly increase the initial X-ray damage in barley seeds (ADAMS, NILAN AND GUNTHARDT 1955; NILAN 1955; ADAMS AND NILAN 1958; CALDECOTT et al. 1957; CURTIS, CALDECOTT AND KONZAK 1957). One of the more striking of these after effects is the marked increase in the frequencies of chromosome aberrations (ADAMS, NILAN...

Objective: Studies indicate that ionizing radiation can induce persistent genetic instability in a high proportion of exposed cells. It has also been reported that exposure of radiotherapy workers to ionizing radiation causes chromosomal damages. Some of the damaged cells show a large number of aberrations such as dicentrics, polycentrics, rings, and numerous acentric fragments.To determine, wh...