. 2015 Mar 24;5:9435. doi: 10.1038/srep09435

Table 1. Frequencies of X-Y chromosome dissociation in MI spermatocytes of Phodopus campbelli, P. sungorus, and their F₁ hybrids.

Animal	Number of individuals	Number of observed cells^a	Frequency of cells with X-Y dissociation^b (%)
P. campbelli	2	100	7.0 ± 1.4
P. sungorus	2	100	6.0 ± 2.8
F₁ (Type B)	4	200	93.5 ± 1.0
F₁ (Type C)	9	450	90.2 ± 3.9

^aA total of 50 cells were observed for each individual.

^bValues are given as mean ± standard deviation.

Table 1. Frequencies of X-Y chromosome dissociation in MI spermatocytes of Phodopus campbelli, P. sungorus, and their F1 hybrids.