Compare and contrast point mutations and chromosomal mutations. Which part of the organism's DNA is affected as a result of each?

Mutations are the changes that occur in the genetic material of organisms, and those take place due to various reasons. Gene mutations and chromosome mutations are the two basic types of mutations, and those vary from each other mainly in the magnitude of the alteration. Mutations take place mainly because of erratic steps in regulation of DNA replication and transcription, exposure to radiations, and viruses. However, mutations may or may not be favourable for the persistence in the world over a long time. Individuals or populations with favourable genes will survive while the others are eliminated through natural selection.

Explanation:

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In point mutation,the gene is affected however in chromosomal mutations,there is change in the structure or number of the chromosomes

the answer is "a.) well–developed vascular system."

explanation:

organ system-an organ system is a group of organs that work together to perform one or more functions. each does a particular job in the body, and is made up of certain tissues.