Which is the si base unit of mass? meter liter pound kilogram

image result for describe the various types of gene mutationsghr.nlm.nih.gov

the types of mutations include: missense mutation: this type of mutation is a change in one dna base pair that results in the substitution of one amino acid for another in the protein made by a gene. nonsense mutation: a nonsense mutation is also a change in one dna base pair.

explanation:

name and explain one of the event that occurs during meiosis that increases the variation in offspring even more than simple reproduction?