In a survey of 240,000 human births, six achondroplastic births were recorded to parents who were unaffected. given that this form of dwarfism is caused by a fully penetrant, dominant, autosomal gene, what is the mutation rate?

The double bond between a carbon atom and two oxygen atoms (a molecule of carbon dioxide) has two characteristics. what are they? a.an ionic bond is formed between the oxygen and carbon atoms. b.four valence electrons are shared. c.two valence electrons are shared. d.valence electrons are shared between oxygen atoms.