Biology
Grade-8
Easy
Question
Artificial selection decreases diversity which is bad because ______.
- Organisms with the same traits will refuse to reproduce with each other
- Organisms with all the same traits are susceptible to extinction
- Organisms with the same traits will be very aggressive
- Organisms with the same traits collectively get smarter and will someday rule the world
Hint:
organisms with all the same traits are susceptible to extinction
The correct answer is: Organisms with all the same traits are susceptible to extinction
Artificial selection can affect genetic diversity of a population because when one trait is bred for, it decreases genetic diversity or the traits that were not wanted. Artificial selection is an evolutionary process in which humans consciously select for or against particular features in organisms.
Selective breeding produces future generations of selectively bred plants and animals with relatively similar genes, reducing variance. The gene pool of a population is made up of genes and their many alleles. But plants with similar genes will become extinct.
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