Which of the Following Statements About Pedigrees and Phylogenies Is

question 16

Multiple Choice

Which of the following statements about pedigrees and phylogenies is true?

• A)Both show the splitting and the recombining of branches or lineages over time.
• B)A pedigree tells us about the ancestry of individuals, whereas most phylogenies tell us about the ancestry of populations.
• C)Both expand as one looks backward in time.
• D)All of the above

---

Definitions:

Polymer

is a chemical compound or mixture of compounds formed by polymerization and consisting essentially of repeating structural units.

Nucleotides

The basic building blocks of nucleic acids like DNA and RNA, consisting of a sugar, a phosphate group, and a nitrogenous base.

Purines

A type of nitrogenous base found in DNA and RNA, including adenine and guanine, which pair with pyrimidines.

Pyrimidines

One of the two classes of nitrogenous bases found in nucleic acids, including cytosine, thymine (in DNA), and uracil (in RNA).