Which of the following is not a mechanism for speciation? a) allopatric speciationb) sympatric speciationc) geographic separationd) cancer

Which of the following is a cause of a dna mutation? o a. the linking of amino acid subunits into a long chain o b. the transcription of dna into rna o c. an error in the repair of damaged dna d. the diffusion of molecules across the cell membrane submit

What happens when the cell copies its chromosomes

Give two examples of what would occur if one of the pairs did not match or had an extra chromosomes. explain how this might occur, and if it would be dangerous to the individual. fast.