If every married couple in a country were to decide to have one child, what would happen to the country's population growth rate?

It will decrease

have a good day :)

Explanation:

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: