Epistasis Definition Epistasis is the interaction between genes that influences a phenotype. Genes can either mask each other so that one is considered “dominant” or they can combine to produce a new trait. It is the conditional relationship between two genes that can determine a single phenotype of some traits. At each locus are two … Read more
Nucleoid Definition In a prokaryotic cell, the nucleoid contains the genetic information called the genophore. The prokaryotes are divided into bacteria and archaea, both of which are unicellular organisms without membrane-bound organelles. Also, the nucleoid does not have a membrane surrounding it. Attached to the cell membrane, it is in direct contact with the cytoplasm. … Read more
Genetic drift, gene flow, and natural selection may sound similar or even confusing to some. All three are mechanisms in the evolutionary process that have to do with alleles and/or gametes, but there are several significant differences. Discussions about genes and natural selection usually include the term allele. An allele is just one version of … Read more
Petiole Definition A petiole is the stalk that attaches a leaf to the stem of a plant. People often refer to it as a stem, which is incorrect. In contrast to stems, which support the plant and produce nodes and roots, petioles do not produce nodes or roots. The nodes in the picture below are … Read more
Getting a full-ride scholarship is a dream come true for any student, regardless of their financial situation. The term “full-ride scholarship” refers to a scholarship that covers all college-related costs, such as tuition, textbooks, housing, and other expenses. A scholarship of this type doesn’t require you to take out a student loan, and you don’t … Read more
Going to college is an exciting yet intimidating experience, especially for freshmen. Attending college orientation can alleviate some of the anxiety associated with the college experience. During college orientation, students get the chance to familiarize themselves with the campus, meet new people, learn about college policies, and more. In this article, we’ll delve into what … Read more