Marmosets (Callithrix kuhlii) are unusual in that most pregnancies result in non-identical twins, and a high proportion of those result in chimerism. Genetic analysis of these twins shows that all tissues - including skin, hair, brain, lung and muscle - may contain cells derived from the sibling twin...
New ScientistTuesday, March 27, 2007
Marmosets may carry their sibling's sex cells
If your testes or ovaries contained the sperm or eggs of another individual, how would you feel about reproducing? This extraordinary situation is experienced by marmosets, which have now been discovered to exhibit "germ line chimerism". It is a condition in which some of the sperm or eggs in their gonads come from another individual, and so do not contain their own DNA.
Subscribe to:
Post Comments (Atom)
No comments:
Post a Comment