How intertwined blood of children and parents?

Sometimes serious scientific topics are popular and relevant to ordinary people.This applies to the transmission of hereditary characteristics and genetic information, such as how interconnected blood of children and parents.The most acute when the issue becomes one of two things: the determination of paternity and finding a donor for transfusion in an emergency.In principle, everyone should know how to solve the problem for themselves in the second situation.

Should be the same as the blood group of children and parents?

Every man always wants to see in his own offspring external features.But there are times when a pipsqueak grows as two drops of water similar to the maternal grandfather or some other relative.As a result, in some cases, into the soul of the family head creep doubts about the true paternity.Especially sharply the situation may worsen in the determination of blood group baby, then threatening to peace and well-being of the family.After all, some people think that the blood of children and the parents should be the same in the literal sense of the word.Otherwise, for a man it is equivalent to the proof of treason.Let's look at this serious issue, preventing the problem in the family.

How is the inheritance of the blood group of parents?

most reliable way, of course, is the definition of this genetic trait by passing tests.But long before the birth of the baby can assume what will be in his blood.The table below shows the inheritance rules.The middle part at the intersection of the data corresponds to a group of parents of the baby's blood.

Blood parents

father

first

second

third

fourth

mother

first

1

1 or 2

1 or 3

2 or 3

second

1 or 2

1 or 2

any

2 or 3 or 4

third

1 or 3

any

1 or 3

2 or 3 or 4

fourth

2 or 3 or 4

2 or 3 or 4

2 or 3 or 4

2 or 3 or 4

Blood children andparents may be completely different

give some examples of practical application of the information specified in the table.For example, if the father is the first group of blood, and his mother - a quarter, it is likely the birth of a baby in the second or third group of blood.Or there may be situations when the inheritance occurs even without any rules.With the combination of the second and third blood groups of parents baby can have any of the possible.

Blood group of parents and children: the compatibility of transfusions

Unfortunately, it happens that in an emergency (if operations after an accident) the parent at all desire can not help his own child.And all because of the fact that his blood type does not match the requirements.Therefore, you should familiarize yourself with the principles relied on by blood transfusion.In our country, not fully follow these guidelines, preferring to use only the exact match numbers of groups and rhesus factors.

patient

Blood donor and Rh

first

second

third

fourth

+

-

+

-

+

-

+

-

first +

+

+

first -

+

second +

+

+

+

+

The second one is

+

+

third +

+

+

+

+

third one

+

+

fourth +

+

+

+

+

+

+

+

+

chetvertaya-

+

+

+

+