The concept of "blood" in the context of children usually refers to biological lineage or ancestry. In terms of genetics, both men and women contribute equally to the genetic makeup of their children. Each parent provides half of the child's genetic material: the mother contributes an egg with 23 chromosomes, and the father contributes a sperm with 23 chromosomes, resulting in a total of 46 chromosomes in the child.
If you are asking about genetic traits or conditions that may be more prevalent based on the family lineage, it's important to note that these can be influenced by various factors including the specific traits or genetic conditions being examined, the family history on both sides, and environmental factors.
If "blood" refers to a different context, please provide additional clarification, and I'll be happy to address that as well!