Chromosomal Changes Answers

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How do mutagens affect chromosomes?

A
They change the chemical composition of DNA, which can affect the structure or number of chromosomes.
B
They attack the inner part of the chromosome, changing the sequence of DNA in the centromere of the chromosome.
C
They alter the size of the chromosome, which affects the way a chromosome passes genetic traits from parents to offspring.
3

When chromosomal mutations occur, the chromosome can be affected. What is the result to the organism? Check all that apply.

A
no change to the characteristics of the organism
B
phenotypic changes to the organism
C
no change to the chromosome of the organism

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Chromosomal Changes Answers — First Semester…