Imagine That You Compare Two DNA Sequences Found in the Same

question 25

Multiple Choice

Imagine that you compare two DNA sequences found in the same location on homologous chromosomes.On one of the homologs,the sequence is AACTACGA.On the other homolog,the sequence is AACTTCGA.Within a population,you discover that each of these sequences is common.These sequences _____.

• A)contain an SNP that may be useful for genetic mapping
• B)identify a protein-coding region of a gene
• C)cause disease
• D)protect against disease
• E)none of the above