1
answer
0
watching
193
views
17 Jan 2019
Polyploidy is the multiplication of number of chromosomal setsfrom 2n to 3n (triploidy), 4n (tetraploidy) and so on. It is quitecommon in plants, for example many crops like wheat or Brassicaforms. It seems to be rarer in animals but still it is presentamong some amphibian species like Xenopus.
As I know in mammals polyploidy is lethal (I don't mean tissue -limited polyploidy). I understand that triploidy is harmful due tostronger influence of maternal or paternal epigenetic traits thatcause abnormal development of placenta, but why there is notetraploid mammals?
Polyploidy is the multiplication of number of chromosomal setsfrom 2n to 3n (triploidy), 4n (tetraploidy) and so on. It is quitecommon in plants, for example many crops like wheat or Brassicaforms. It seems to be rarer in animals but still it is presentamong some amphibian species like Xenopus.
As I know in mammals polyploidy is lethal (I don't mean tissue -limited polyploidy). I understand that triploidy is harmful due tostronger influence of maternal or paternal epigenetic traits thatcause abnormal development of placenta, but why there is notetraploid mammals?
Nelly StrackeLv2
18 Jan 2019
