Which best describes the process of insertion? occurs when part of a chromosome breaks off and is placed into the middle of another chromosome occurs when part of a chromosome breaks off and reattaches backward on the same chromosome occurs when part of a chromosome breaks off and does not reattach occurs when part of a chromosome breaks off and attaches to another chromosome

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explanation:

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in the year 2850, humans successfully colonized mars. the martian modules that were constructed could hold only a small population of people. it is now a century later, and the population on mars has grown to 600 people. of the current mars population, 45 people express the recessive phenotype for phenylketon- uria (pku) syndrome (pp genotype).

explanation: