Fig. 3From: Impact of bisphenol-A on the spliceosome and meiosis of sperm in the testis of adolescent miceEffect of BPA on mice spermatogonia DNA damage. Note: Group A was the control group, groups B-G were 0.05, 0.5, 5, 10, 20, 50 mg/kg/d BPA groups, respectively. Arrow 1 refers to the nucleus, and arrow 2 refers to the DNA fragments produced by apoptosis. n = 200. The results are expressed as the mean ± standard error. Different superscript letters on the top of each bar (a, b, c, d, e) indicate significant differences (P < 0.05)Back to article page