Parents aren’t perfect; their genomes may contain disease-causing mutations. Nature tries to protect offspring by gene-mixing. This way if one parent passes on a defective mutation, the other has a chance to contribute a working copy.
Infertility Options
Parents aren’t perfect; their genomes may contain disease-causing mutations. Nature tries to protect offspring by gene-mixing. This way if one parent passes on a defective mutation, the other has a chance to contribute a working copy.