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Inbreeding has the effect of maintaining genetic defects in the bloodline. For example some human populations are descended from a limited genetic stock and have a high incidence of particular types of cancer and other diseases carried by defective genes, such as hemophilia, sickle-cell anemia and cystic fibrosis.

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13y ago
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6mo ago

Inbreeding between first cousins can increase the chances of offspring inheriting two copies of harmful recessive genes, leading to an increased risk of genetic disorders or congenital abnormalities. Additionally, inbreeding can reduce genetic diversity within a population, which can have negative effects on the overall health and survival of future generations.

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16y ago

If anyone in the family has a health problem the children would be more likely to get it. If anyone had a harelip or other deformity the children might inherit it.

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Q: What are the affects of first cousins inbreeding?
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Related questions

Are fifth cousins able to have normal and healthy children?

Yes. Even first cousins will usually have normal and healthy children. No one worries about fifth cousins having children together, unless there has been lots of closer inbreeding in their families in previous generations.


Is there really inbreds in the Ozark mountains or anywhere in the world?

There are some people in the Ozark mountains who have married 5th cousins. In fact, it is quite common in many places. The closest to inbreeding occurs in the Arab world where marriage between first cousins is common. Historically, the closest inbreeding occurred among Egyptian, Incan, and Polynesian royalty where a brother would marry a sister.


Is it wrong to have a baby with mother's nephew?

There's a very slight risk of inbreeding, but it's really not as bad as most people think. In many cultures, first cousins are regarded as ideal mates.


What are your first cousins children?

Your first cousins childrens are your second cousins.


What is the term for your father's cousins?

Your father's first cousins are your first cousins, once removed.


What are the cousins of your first cousins considered?

You would have a variety of different relationships to the cousins of your first cousins. Some of them are you and your siblings, and some of them are also your first cousins. Second cousins of your first cousins may also be your second cousins. In addition, your first cousins will have many cousins who are not related to you at all. You are lreated to your first cousins because each of you have one paret who is a sibling of one parent of the other. But each of you also has one other parent, who also has siblings and the children of those siblings are cousins to one of you but not to both.


How are your dad's cousins related to you?

Your Father's first cousins are also your first cousins, once removed.


What are daughters of first cousins to each other?

second cousins or first cousins once removed


Is ciara and ti cousins?

Hi, Ciara and T.i are cousins, full blood first cousins. Hi, Ciara and T.i are cousins, full blood first cousins.


What is the relationship between you and your uncle's cousin?

Your uncle's first cousins are also your parent's first cousins and so are your first cousins once removed. Similarly his second cousins are your second cousins once removed.


What is your mother's cousin's children in relation to you?

The children of your mother's first cousins are your second cousins. The children of your mother's second cousins are your third cousins. The children of your mother's third cousins are your fourth cousins. And so forth.


What is the relationship of cousins children to each other?

If two people are first cousins, their children are second cousins. If two people are fifth cousins, their children are sixth cousins.