Differences between sexes of number of nucleoli, nucleus area and nucleolus area in Staurotypus triporcatus, Apalone spinifera and Pelodiscus sinensis.
| Males | Females | χ2/t | df | p | F/M | |
| Mean ± SD | Mean ± SD | |||||
| S. triporcatus | ||||||
| No. of nucleoli per cell | 1.00 ± 0.00 | 1.80 ± 0.40 | 32.8217 | 1.00 | <0.0001 | 1.81 |
| Nucleus area (AU) | 1.13 ± 0.33 | 1.40 ± 0.30 | 3.0413 | 50.92 | 0.0037 | 1.23 |
| Nucleolus area (AU) | 0.09 ± 0.02 | 0.11 ± 0.03 | 2.2766 | 49.35 | 0.0272 | 1.17 |
| Nucleolus/Nucleus area | 0.08 ± 0.02 | 0.08 ± 0.02 | −1.0062 | 50.97 | 0.3191 | 0.93 |
| A. spinifera | ||||||
| No. of nucleoli per cell | 1.23 ± 0.43 | 1.16 ± 0.37 | 0.080 | 1.00 | 0.7767 | 0.94 |
| Nucleus area (AU) | 1.49 ± 0.47 | 1.21 ± 0.24 | −2.749 | 37.69 | 0.0091 | 0.83 |
| Nucleolus area (AU) | 0.03 ± 0.01 | 0.04 ± 0.01 | −3.214 | 39.08 | 0.0026 | 0.74 |
| Nucleolus/Nucleus area | 0.02 ± 0.01 | 0.02 ± 0.01 | −1.326 | 39.24 | 0.1924 | 0.90 |
| P. sinensis | ||||||
| No. of nucleoli per cell | 1.39 ± 0.50 | 1.19 ± 0.40 | 1.4991 | 1.00 | 0.2208 | 0.86 |
| Nucleus area (AU) | 1.01 ± 0.34 | 1.57 ± 0.38 | 4.7531 | 49.37 | <0.0001 | 1.43 |
| Nucleolus area (AU) | 0.04 ± 0.01 | 0.03 ± 0.01 | −1.2111 | 39.78 | 0.2330 | 0.90 |
| Nucleolus/Nucleus area | 0.03 ± 0.01 | 0.02 ± 0.01 | −5.9502 | 34.82 | <0.0001 | 0.63 |
| Males | Females | χ2/t | df | p | F/M | |
| Mean ± SD | Mean ± SD | |||||
| S. triporcatus | ||||||
| No. of nucleoli per cell | 1.00 ± 0.00 | 1.80 ± 0.40 | 32.8217 | 1.00 | <0.0001 | 1.81 |
| Nucleus area (AU) | 1.13 ± 0.33 | 1.40 ± 0.30 | 3.0413 | 50.92 | 0.0037 | 1.23 |
| Nucleolus area (AU) | 0.09 ± 0.02 | 0.11 ± 0.03 | 2.2766 | 49.35 | 0.0272 | 1.17 |
| Nucleolus/Nucleus area | 0.08 ± 0.02 | 0.08 ± 0.02 | −1.0062 | 50.97 | 0.3191 | 0.93 |
| A. spinifera | ||||||
| No. of nucleoli per cell | 1.23 ± 0.43 | 1.16 ± 0.37 | 0.080 | 1.00 | 0.7767 | 0.94 |
| Nucleus area (AU) | 1.49 ± 0.47 | 1.21 ± 0.24 | −2.749 | 37.69 | 0.0091 | 0.83 |
| Nucleolus area (AU) | 0.03 ± 0.01 | 0.04 ± 0.01 | −3.214 | 39.08 | 0.0026 | 0.74 |
| Nucleolus/Nucleus area | 0.02 ± 0.01 | 0.02 ± 0.01 | −1.326 | 39.24 | 0.1924 | 0.90 |
| P. sinensis | ||||||
| No. of nucleoli per cell | 1.39 ± 0.50 | 1.19 ± 0.40 | 1.4991 | 1.00 | 0.2208 | 0.86 |
| Nucleus area (AU) | 1.01 ± 0.34 | 1.57 ± 0.38 | 4.7531 | 49.37 | <0.0001 | 1.43 |
| Nucleolus area (AU) | 0.04 ± 0.01 | 0.03 ± 0.01 | −1.2111 | 39.78 | 0.2330 | 0.90 |
| Nucleolus/Nucleus area | 0.03 ± 0.01 | 0.02 ± 0.01 | −5.9502 | 34.82 | <0.0001 | 0.63 |
Note: Bold font indicates significant sex differences.
Abbreviations: AU, arbitrary units; F/M, female/male ratio.
Differences between sexes of number of nucleoli, nucleus area and nucleolus area in Staurotypus triporcatus, Apalone spinifera and Pelodiscus sinensis.
| Males | Females | χ2/t | df | p | F/M | |
| Mean ± SD | Mean ± SD | |||||
| S. triporcatus | ||||||
| No. of nucleoli per cell | 1.00 ± 0.00 | 1.80 ± 0.40 | 32.8217 | 1.00 | <0.0001 | 1.81 |
| Nucleus area (AU) | 1.13 ± 0.33 | 1.40 ± 0.30 | 3.0413 | 50.92 | 0.0037 | 1.23 |
| Nucleolus area (AU) | 0.09 ± 0.02 | 0.11 ± 0.03 | 2.2766 | 49.35 | 0.0272 | 1.17 |
| Nucleolus/Nucleus area | 0.08 ± 0.02 | 0.08 ± 0.02 | −1.0062 | 50.97 | 0.3191 | 0.93 |
| A. spinifera | ||||||
| No. of nucleoli per cell | 1.23 ± 0.43 | 1.16 ± 0.37 | 0.080 | 1.00 | 0.7767 | 0.94 |
| Nucleus area (AU) | 1.49 ± 0.47 | 1.21 ± 0.24 | −2.749 | 37.69 | 0.0091 | 0.83 |
| Nucleolus area (AU) | 0.03 ± 0.01 | 0.04 ± 0.01 | −3.214 | 39.08 | 0.0026 | 0.74 |
| Nucleolus/Nucleus area | 0.02 ± 0.01 | 0.02 ± 0.01 | −1.326 | 39.24 | 0.1924 | 0.90 |
| P. sinensis | ||||||
| No. of nucleoli per cell | 1.39 ± 0.50 | 1.19 ± 0.40 | 1.4991 | 1.00 | 0.2208 | 0.86 |
| Nucleus area (AU) | 1.01 ± 0.34 | 1.57 ± 0.38 | 4.7531 | 49.37 | <0.0001 | 1.43 |
| Nucleolus area (AU) | 0.04 ± 0.01 | 0.03 ± 0.01 | −1.2111 | 39.78 | 0.2330 | 0.90 |
| Nucleolus/Nucleus area | 0.03 ± 0.01 | 0.02 ± 0.01 | −5.9502 | 34.82 | <0.0001 | 0.63 |
| Males | Females | χ2/t | df | p | F/M | |
| Mean ± SD | Mean ± SD | |||||
| S. triporcatus | ||||||
| No. of nucleoli per cell | 1.00 ± 0.00 | 1.80 ± 0.40 | 32.8217 | 1.00 | <0.0001 | 1.81 |
| Nucleus area (AU) | 1.13 ± 0.33 | 1.40 ± 0.30 | 3.0413 | 50.92 | 0.0037 | 1.23 |
| Nucleolus area (AU) | 0.09 ± 0.02 | 0.11 ± 0.03 | 2.2766 | 49.35 | 0.0272 | 1.17 |
| Nucleolus/Nucleus area | 0.08 ± 0.02 | 0.08 ± 0.02 | −1.0062 | 50.97 | 0.3191 | 0.93 |
| A. spinifera | ||||||
| No. of nucleoli per cell | 1.23 ± 0.43 | 1.16 ± 0.37 | 0.080 | 1.00 | 0.7767 | 0.94 |
| Nucleus area (AU) | 1.49 ± 0.47 | 1.21 ± 0.24 | −2.749 | 37.69 | 0.0091 | 0.83 |
| Nucleolus area (AU) | 0.03 ± 0.01 | 0.04 ± 0.01 | −3.214 | 39.08 | 0.0026 | 0.74 |
| Nucleolus/Nucleus area | 0.02 ± 0.01 | 0.02 ± 0.01 | −1.326 | 39.24 | 0.1924 | 0.90 |
| P. sinensis | ||||||
| No. of nucleoli per cell | 1.39 ± 0.50 | 1.19 ± 0.40 | 1.4991 | 1.00 | 0.2208 | 0.86 |
| Nucleus area (AU) | 1.01 ± 0.34 | 1.57 ± 0.38 | 4.7531 | 49.37 | <0.0001 | 1.43 |
| Nucleolus area (AU) | 0.04 ± 0.01 | 0.03 ± 0.01 | −1.2111 | 39.78 | 0.2330 | 0.90 |
| Nucleolus/Nucleus area | 0.03 ± 0.01 | 0.02 ± 0.01 | −5.9502 | 34.82 | <0.0001 | 0.63 |
Note: Bold font indicates significant sex differences.
Abbreviations: AU, arbitrary units; F/M, female/male ratio.
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