Nitrogen (N) and Oxygen (O)
The chemical formula is N_2O
A small flowerless green plant with leaflike stems or lobed leaves, occurring in moist habitats. Liverworts lack true roots and reproduce by means of spores released from capsules.
Answer:
B. Premature stop codon mutation
Explanation:
A) Crossing over is the mechanism of genetic variation that results from the exchange of gene segments between non-sister chomatids.
