Results of investigation: karyotype of ella 46,XX, rec(21)dup(21q)inv(21)(p12q21.1); karyotype of father 46,XY; karyotype of mother 46,XX, inv(21)(p12q21.1)[19]:46,XX[11]. Ella’s maternal grandparents had normal karyotype. Make a step-by-step diagram of the mechanism of occurrence of such a karyotype in Ella

after making a punnet square using bv bv bv bv you will find that the ratio will be 9: 7 or a 128.6% probability.

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he movement of air through earth's or any planet's atmosphere is called wind, and the main cause of earth's winds is uneven heating by the sun. this uneven heating causes changes of atmospheric pressure, and winds blow from regions with high pressure to those with low pressure.

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request for reexamination