Genes Control Traits

Genes control an organism’s traits.  You can also call genes “genetic information” or “genetic material”.  And because genes consist of DNA molecules, some people even call genes DNA!  However, calling genes “DNA” is like calling lettuces “fiber”–it is not wrong, but it is just not the best way to call it.  After all, while lettuces DO consist of fiber, it is still better to just call lettuces “lettuces”.

20170615 Genes Control Traits 1
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20170615 genes Control Traits 2
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Next Generation Science Standards:

HS-LS3-1. Ask questions to clarify relationships about the role of DNA and chromosomes in coding the instructions for characteristic traits passed from parents to offspring.

HS-LS3-1. Ask questions to clarify relationships about the role of DNA and chromosomes in coding the instructions for characteristic traits passed from parents to offspring.

HS-LS3-3. Apply concepts of statistics and probability to explain the variation and distribution of expressed traits in a population.

MS-LS1-5. Construct a scientific explanation based on evidence for how environmental and genetic factors influence the growth of organisms.

MS-LS3-1. Develop and use a model to describe why structural changes to genes (mutations) located on chromosomes may affect proteins and may result in harmful, beneficial, or neutral effects to the structure and function of the organism.

MS-LS3-2. Develop and use a model to describe why asexual reproduction results in offspring with identical genetic information and sexual reproduction results in offspring with genetic variation.

What Science Does this Comic Teach?

Unit: Genetics

⇒Chapter: Traits

⇒Topic: Genes Control Traits

Additional Information

Info

Short for “information”.

Nucleus

Nucleus is the most important organelle in a cell and it stores the genetic material.  You can find more information on the nucleus here.

Genetic Information

Also called “genetic materials”.  They are the DNA molecules that contain information on the organism’s traits (characteristics and qualities), and they can be passed down form parents to offspring.  Most genetic materials consist of DNA molecules, while some genetic materials consist of RNA molecules

DNA

This word is short for “deoxyribonucleic acid”, and it is the molecule that makes up organisms’ genetic materials.  Its slight variant “RNA” (ribonucleic acid) is sometimes used as genetic materials for more primitive/simple organisms.

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