What Did Watson and Crick Deduce About the Three-Dimensional Structure

question 29

Multiple Choice

What did Watson and Crick deduce about the three-dimensional structure of DNA based on the work of others?

• A) It is a large molecule.
• B) It contains a lot of phosphorus.
• C) It is a double-stranded helix.
• D) It consists of supercoiled chromatin.
• E) There is a repeating pattern every 3.4 nm and every 0.34 nm.

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Definitions:

Selective Reduction

A medical procedure used in fertility treatments to reduce the number of fetuses in a multiple pregnancy, aiming to increase the chance of a successful, healthy pregnancy.

Genetic Abortion

Termination of a pregnancy based on the genetic characteristics of the fetus, often after the detection of genetic anomalies.

Genetic Materials

Biological substances that carry an organism’s genetic information, such as DNA and RNA.