How Closely Related Two DNA Molecules,and the Organisms from Which

question 11

Multiple Choice

How closely related two DNA molecules,and the organisms from which they came,are is measured through

• A) vestigial traits.
• B) DNA sequence similarity.
• C) homologous traits.
• D) amino acids.

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Definitions:

DNA Library

Collection of cells that host different fragments of foreign DNA, often representing an organism’s entire genome.

Radioactive Probe

A molecular tool that uses a radioactive element to identify or track substances in biological systems.

Base-pairing

The hydrogen bonding of adenine to thymine and guanine to cytosine in DNA, crucial for the structure of DNA and accurate DNA replication.

Target Gene

A specific gene that is affected by a particular action or process, such as the binding of a regulatory protein or the action of a drug.