Frank and Debra Are Expecting Their First Child

question 158

Multiple Choice

Frank and Debra are expecting their first child. Because there is a genetic disorder that runs in Frank's family, they are considering having chorionic villus sampling (CVS) done. What should they know before they make their decision?

• A)the results of CVS are often inaccurate.
• B)after CVS, miscarriages are slightly more likely.
• C)CVS cannot be done until the fourth month after conception.
• D)CVS involves taking a sample of amniotic fluid.

Identify and differentiate between orthologs and paralogs in evolutionary studies.

Understand the role and characteristics of ribosomal RNA in protein synthesis.

Describe the methods and importance of constructing phylogenetic trees.

Understand the concept of concerted evolution and its mechanisms.

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