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Often, near- or far-sightedness will run in families. If one or both parents are visually impaired, their children are more likely to be visually impaired as well, although the intensities can vary -- one child might be very nearsighted, while another might not be as bad.

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What is the difference between a genetically inherited vs a contagious disease?

A genetically inherited disease is passed down from parents to their offspring through genes, while a contagious disease is caused by pathogens such as bacteria or viruses that can be transmitted between individuals through direct or indirect contact. Genetically inherited diseases are not contagious and cannot be spread from person to person, whereas contagious diseases can be easily transmitted between individuals.


Does a person learn an inherited behavior?

No. Example: In birds, they have to LEARN how to fly, so that is a learned behavior. But, they already know how to build a nest, so that is an inherited behavior.


Slurred speech blurred vision and impaired judgment are the results of?

Slurred speech, blurred vision, and impaired judgment are common symptoms of alcohol intoxication. Alcohol affects the central nervous system, slowing down brain function and coordination, leading to these effects. It can be dangerous and increase the risk of accidents or injuries.


What must be true of traits that are passed down through generations?

Traits that are passed down through the generations must be either culturally or environmentally inculcated or genetically inherited (or some combination of these). Evolutionary biology concerns itself with genetically inherited traits. In the long term, for genetically inherited traits to continue to be passed down through the generations, they must be at least neutral with regard to reproductive fitness, or advantageous (i.e. they must not be subject to negative selection pressure)


What are genetically controlled?

Genetically controlled traits are characteristics or features of an organism that are determined by the genes they inherit from their parents. These traits can be influenced by multiple genes (polygenic traits) or a single gene (monogenic traits) and can be inherited in different ways, such as through dominant or recessive alleles. Examples of genetically controlled traits include eye color, height, and susceptibility to certain diseases.