In humans, the D gene determines the presence of the Rh factor in his blood, which is inherited in the dominant manner. A woman with genotype dd, who has Rh negative factor, married a heterozygous man with genotype Dd and Rh positive factor. What F1 offspring can be expected in such a Rh marriage?
50% of children are Rh-positive and 50% are Rh-negative.
Remember: The process of learning a person lasts a lifetime. The value of the same knowledge for different people may be different, it is determined by their individual characteristics and needs. Therefore, knowledge is always needed at any age and position.