The Figure Shows an Image of a Galaxy at Dust-Penetrating

question 53

Multiple Choice

The figure shows an image of a galaxy at dust-penetrating wavelengths. It can be classified as which one of the following galactic types?

• A) spiral
• B) irregular
• C) elliptical
• D) red giant

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Definitions:

Chromosomes

Threadlike structures made of DNA molecules that carry genetic information in the form of genes.

X Chromosome

One of the two sex chromosomes, X and Y, with the X chromosome carrying a significant number of genes essential for many bodily functions and characteristics.

Genetic Inheritance

The transmission of genetic information from parents to their offspring through genes.

Phenotype

The observable characteristics or traits of an organism, resulting from the interaction of its genotype with the environment.