Incomplete Dominance Definition Incomplete dominance is when a dominant allele, or form of a gene, does not completely mask the effects of a recessive allele, and the organism’s resulting physical appearance shows a blending of both alleles. It is also called semi-dominance or partial dominance. One example is shown in roses. The allele for red … Read more
Primary Consumer Definition A primary consumer is an organism that feeds on primary producers. Organisms of this type make up the second trophic level and are consumed or predated by secondary consumers, tertiary consumers or apex predators. Primary consumers are usually herbivores that feed on autotrophic plants, which produce their own food through photosynthesis. Several … Read more
The Route of the Human Midsagittal Plane Generally, the midsagittal plane depicts the human in anatomical position with arms and legs slightly apart, as shown here. Left and right midsagittal sections are referred to as left and right sides of the subject, not to the point of view of the person looking at, for example, … Read more
Operator Definition An operator is a genetic sequence which allows proteins responsible for transcription to attach to the DNA sequence. The gene, or genes, which get transcribed when the operator is bound are known as the operon. Repressor proteins, which bind to the gene operator, can block transcription factors from binding to the operator. The … Read more
A diploid cell contains two complete sets of chromosomes in its nucleus, whereas haploid cells only contain a single copy. Most human body cells are diploid, and only the gametes (sperm and egg cells) are haploid. Chromosomes in diploid cells are arranged in homologous pairs. The diploid chromosome number of a cell (2n) is the … Read more
In the college application process, taking out student loans is an important skill. In most families in America, their personal finances aren’t enough to cover their kids’ college tuition. To pay for college, students turn to loans after exhausting scholarships, grants, and work-study programs. Several student loan options are available when you start looking for … Read more
There are so many opportunities in engineering that come with earning a degree. There are thousands of students studying engineering every year around the world. There is no doubt that some majors are harder than others. The top 5 hardest engineering majors are chemical, aerospace, biomedical, electrical, and computer engineering. However, don’t let that scare … Read more
Full-time students enroll in at least 12 credits, which is about four classes per semester. Part-time students are those enrolled in less than 12 credit hours per semester. Part-time students generally spend less time in class during a semester than full-time students. One of the most noticeable differences between part-time and full-time students is the number … Read more
As a high school student preparing for college, you have likely heard a lot about the importance of ACT and SAT scores. These standardized tests are often a critical component of the college admissions process, and your performance on these exams can have a significant impact on your chances of getting accepted to your dream … Read more