Can twins have two different blood types?

Definitely yes if they are fraternal twins. And although much less common, it is also even possible if they are identical twins. In fact, a mom, dad, and twins could all end up with different blood types!


Can you be identical twins and have different blood types?

Identical twins will always have the same blood type because they were created from the same fertilized egg (fraternal twins can have different blood types — again, providing the parents do — because they are created by two fertilized eggs).

Can a baby have 2 blood types?

For example, parents with AB and O blood types can either have children with blood type A or blood type B. These two types are definitely different than parents' blood types!


Can twins have different Rh factors?

In the case of identical (or monovular) twins, as expected, either both are Rh positive and affected, or both are Rh negative and normal. In the case of fraternal (or binovular) twins, one may be Rh positive and erythroblastotic, while the other may be Rh negative and therefore escape the di- sease.

What 2 blood types are not compatible for pregnancy?

Rh incompatibility occurs when a mother has Rh-negative blood and the baby has Rh-positive blood.
...
A-B-O incompatibility occurs when:
  • the mother is type O and the baby is B, A, or AB.
  • the mother is type A and their baby is B or AB.
  • the mother is type B and their baby is A or AB.


Everything You Need To Know About Fraternal and Identical Twins | Dr. Sarah Finch



What blood type causes miscarriages?

Rh factor: Miscarriage can be caused because of the incompatibility of the mother's blood and the blood of the unborn foetus commonly known as Rh factor incompatibility. This type of miscarriage occur when the blood type of mother is Rh negative, and the foetus blood type is Rh positive.

What blood type Cannot get pregnant?

Oct. 25, 2010 -- Researchers say having type O blood can affect a woman's chances of getting pregnant.

Can the twins not have the same blood type?

Can twins have two different blood types if they have the same father? Definitely yes if they are fraternal twins. And although much less common, it is also even possible if they are identical twins. In fact, a mom, dad, and twins could all end up with different blood types!


What are 2 dangers of Rh factor for the baby?

Complications may include: Brain damage due to high levels of bilirubin (kernicterus) Fluid buildup and swelling in the baby (hydrops fetalis) Problems with mental function, movement, hearing, speech, and seizures.

Which parent is responsible for identical twins?

Identical twins are completely random. It's not based on family history or genetics. Identical twins form when a single fertilized egg splits and forms two embryos. Now in this case, it's not because of mom or dad.

What are the 3 rarest blood types?

The rarest blood types are:
  • B negative(B -ve), which is found in 1.5 percent of the total population.
  • AB negative(AB -ve), which is found in 0.6 percent of the total population.
  • AB positive(AB +ve), which is found in 3.4 percent of the total population.


Do babies always have the father's blood type?

No it doesn't. Neither of your parents has to have the same blood type as you. For example if one of your parents was AB+ and the other was O+, they could only have A and B kids. In other words, most likely none of their kids would share either parent's blood type.

Can a biological child have a different blood type than both parents?

Yes, a child is able to have a different blood type than both parents. Which parent decides the blood type of the child? The child's blood type is decided by both parents' blood type. Parents all pass along one of their 2 alleles to make up their child's blood type.

What is the rarest type of identical twins?

Monoamniotic-monochorionic Twins

This is the rarest type of twin, and it means a riskier pregnancy as the babies can get tangled in their own umbilical cords. If you have monoamniotic-monochorionic twins, your healthcare provider will monitor your pregnancy closely.


Are identical twins genetically 100% the same?

The DNA of monozygotic twins tends not to be 100% identical, and epigenetic and environmental differences further widen the gap between twin pairs. It's not nature or nurture; it's a complex interaction between our genes, our environment, and our epigenetic markers that shape who we are and what illnesses befall us.

Which parent determines the blood type of the child?

The short answer: Both biological parents determine the baby's blood type.

Which Rh factor should not marry?

A person having Rh factor in blood is called Rh positive whereas that who does not carry this protein in the blood is called Rh negative. Marriage should be avoided in between Rh negative female & Rh positive male. This can be fatal for the mother as well as the baby of such parents.


Is it better to be Rh positive or negative?

Rh positive is much more common than Rh negative. Having an Rh negative blood type is not an illness, and it usually does not affect your health. But it can affect pregnancy. Your pregnancy needs special care if you're Rh negative and your baby is Rh positive.

Which baby is most likely to have Rh incompatibility?

HDN happens most often when an Rh negative mother has a baby with an Rh positive father. If the baby's Rh factor is positive, like his or her father's, this can be an issue if the baby's red blood cells cross to the Rh negative mother.

What's the rarest blood type?

What's the rarest blood type? AB negative is the rarest of the eight main blood types - just 1% of our donors have it. Despite being rare, demand for AB negative blood is low and we don't struggle to find donors with AB negative blood.


What is it called when you are twins but not identical?

Fraternal twins (also called dizygotic twins) result from the fertilization of two separate eggs with two different sperm during the same pregnancy. Fraternal twins may not have the same sex or appearance.

Can 2 parents have a baby with a blood type that is not the same as either parents explain and provide an example?

For example, two O blood type parents can produce a child with only O blood type. Two parents with A blood type can produce a child with either A or O blood types. Two parents with B blood type can produce a child with either B or O blood type.

What blood type cant marry?

Does Blood Type Affect Marriage Compatibility? Blood type has no effect on your ability to have and maintain a happy, healthy marriage.


What blood type can't have kids together?

Rh Incompatibility in Pregnancy

Problems can occur when the mother is Rh- and the baby is Rh+. This mismatch in blood type is often referred to as Rh incompatibility. This mismatch doesn't cause any problems for the first pregnancy. But it can lead to problems in later pregnancies.

Is it harder to get pregnant with different blood types?

A woman's ability to conceive in early middle age may be influenced by her blood type, according to research. The US study of 560 women undergoing fertility treatment found that those with type "O" blood had chemical signs linked to low egg numbers.