A mother who is not a carrier of the hemophilia gene and a father with hemophilia had 2 daughters and 2 sons. Identify the parental genotypes, genotypes, and phenotypes of children if the hemophilia gene is recessive and linked to the X chromosome.
1) Genotypes of parents XD XD and XdY;
2) progeny genotypes – ХD Хd and ХDY;
3) daughters – carriers of the hemophilia gene, and sons – healthy.
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