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What are birth defects of inbreeding?

First-generation inbred individuals are more likely to show physical and health defects, including: Reduced fertility both in litter size and sperm viability, Increased genetic disorders, Fluctuating facial asymmetry, Lower birth rate, Higher infant mortality, Slower growth rate and Smaller adult size! again! Any Suggestions here?


  1. Regina Reply:

    Inbred dogs may produce puppies with physical defects such as enlarged heads, kinked tails or missing tails at birth. This can be a result of the combination of Source:

  2. Yael Reply:

    Big Coal: Inbreeding, Not Mining, to Blame for Birth Defects. —By Gavin Aronsen. | Tue Jul. 12, 2011 1:02 PM PDT. Tweet. nrdc_media/Flickr. Last month, when

  3. Tina Reply:

    There are several different kinds of birth defects including mental retardation and physical birth defects. A cleft palate is a physical birth defect. Source:

  4. Mitsue Reply:

    People are dense. I mean the majority of them still eat meat and they know all the repercussions because of that.. but they still do it anyway.. still doesn’t stop them. Nuff said. Source(s): Dark )o( Divine Source:

  5. Joya Reply:

    If both parents have a bad recessive gene, the baby can get it and have defects. The odds of siblings having a sick baby are 50%! Source:

  6. Arlette Reply:

    WHY does inbreeding cause birth defects atomic level that makes the? Now I know what kind inbreeding but why does it of birth defect come with happen? What goes on at the infa

  7. Debora Reply:

    First-cousin marriage isnt a surefire recipe for congenital defects! True, marriage among close kin can increase the chance of pathological recessive genes meeting up in some unlucky individual, with dire consequences! The problem isnt cousin marriage per se, however, but rather how many such genes are floating around in the family pool! If the pools pretty clean, the likelihood of genetic defects resulting from cousin marriage is low! A recent review (Bennett et al, Journal of Genetic Counseling, 2002) says that, on average, offspring of first-cousin unions have a 2 to 3 percent greater risk of birth defects than the general population, and a little over 4 percent greater risk of early death! While those margins arent trivial, genetic testing and counseling can minimize the danger! An argument can be made that marriages of first cousins descended from strong stock can produce exceptional children! Charles Darwin, for example, married his first cousin Emma, which wasnt at all unusual in their prominent and successful family–their common grandparents were cousins too! Three of Charles and Emmas ten kids died in childhood, its true, but that was standard for Victorian England; the others went on to productive and in some cases distinguished careers! hope it helped!

  8. Sammie Reply:

    Inbreeding is the reproduction from the mating of two genetically related .. that most of the children were healthy, with birth defects affecting 4% of births for

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