Method for identifying genetic sex of rana dybowskii by TRAP molecular marker technology
A molecular marker and gender technology, applied in recombinant DNA technology, biochemical equipment and methods, DNA/RNA fragments, etc., can solve the problem of inability to identify the genetic sex of Northeast wood frog, unable to successfully obtain sexual reversal individuals, and no Northeast wood frog yet. Sex-specific DNA molecular markers and other issues
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[0019] The present invention will be further described below in conjunction with embodiment
[0020] Depend on figure 1 It can be seen that the agarose electrophoresis test results of part of the DNA extracted in this experiment show that the DNA fragments are intact, there is no large amount of protein in the sample wells, and the DNA is not significantly degraded, indicating that the amount of DNA is relatively high, which can meet the needs of further analysis.
[0021] Depend on figure 2 It can be seen that lane 17 is a marker of 2000bp; lanes 1-16 are physiological male Rana, and lanes 18-33 are physiological female Rana. In addition to bands that appear in both female and male individuals, lanes 1, 2, 3, 5, 7, 8, 9, 10, 11, 12, 13, 14, 15, and 16 have a sex-specific band of 261 bp strip, ie figure 2 The band shown in the box, the individual with this band is a genetic male individual. This band does not appear in all physiological female individuals, that is, lane...
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