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You may already know that in the study of genetics, dominance refers to the relationship between alleles, which are two forms of a gene. In a dominant relationship between alleles, one allele “masks” the other and influences a specific trait. When the phenotype (the observable characteristic) of the heterozygote is identical to the dominant homozygote, … Continue reading “Incomplete Dominance: Definition, Examples, and Practice Problems”

Biological magnification is a rising concern amongst researchers who examine the ways that chemicals and pollutants may have long-term effects on ecosystems.  In this article, we’ll dive deep into what it is and the impacts it’s already had on our environment.  Biology researchers and students are likely familiar with the field of ecotoxicology, or the … Continue reading “Biological Magnification: Definition, Examples, and Practice”